History of Science Archives

Episode 118: The Caribbean Roots of Biodiversity

Host: Christopher Rose, Department of History
Guest: Megan Raby, Department of History

Biodiversity has been a key concept in international conservation since the 1980s, yet historians have paid little attention to its origins. Uncovering its roots in tropical fieldwork and the southward expansion of U.S. empire at the turn of the twentieth century, ecologists took advantage of growing U.S. landholdings in the circum-Caribbean by establishing permanent field stations for long-term, basic tropical research.

Megan Raby describes how, from these outposts of U.S. science, a growing community of American “tropical biologists” developed both the key scientific concepts and the values embedded in the modern discourse of biodiversity.

Collecting the World: Hans Sloane and the Origins of the British Museum by James Delbourgo (2017)

by Diana Heredia López

A biography of an English scientist during the early Enlightenment may not seem like cutting edge scholarship.. In Collecting the World, James Delbourgo tells the multifaceted story of Hans Sloane, an Englishman who amassed a collection of nearly eighty thousand natural objects and curiosities through his work in natural history, commerce, and medicine. Before he died in 1753, Sloane laid the foundations for the establishment of the first national and free museum in the world, the British Museum. Sloane is hardly ever remembered as a harbinger of the Enlightenment and much less as a serious scientist because his diverse activities and interests are impossible to capture in a single modern scientific discipline and because the eclectism of Sloane’s collection seems to lack scientific rigor. Still, Sloane’s vast collection was so impressive that it was purchased by the Royal Family to transform it into the first public museum of the world. To understand these contradictory perceptions of Sloane, Delbourgo constructs a biography that links all Sloane’s seemingly disparate activities to his ever-lasting desire to collect the world. Delbourgo is able to merge the social and personal motivations behind collecting objects while also explaining the political and religious frameworks under which natural history was practiced in the late seventeenth and early eighteenth century.

For Delbourgo it is equally important to explore both Sloane’s collections — which are now scattered through various English institutions — and the world where he constructed them. He takes the reader from Sloane’s modest origins in Ireland to London where he established his medical practice and then to Jamaica, the island that saw the naturalist and entrepreneur Sloane emerge. Delbourgo goes back to Bloomsbury to explain how Sloane consolidated his reputation as a medical practitioner, became president of the Royal Society and the Royal College of Physicians while amassing a great fortune through the sugar plantations he owned from his wife’s dowry. He continued to expand his burgeoning collection by establishing networks of collectors all over the world who would send him exotic objects and natural curiosities. This of course, would not have been possible without the endorsement of the British Empire.

Sir Hans Sloane (via Wikimedia Commons)

Even though this story might remind us of Carl Linnaeus or other eighteenth-century collectors, Delbourgo is careful to analyze the motives behind Sloane’s desire to collect. His ultimate goal was not necessarily to classify all of the objects in his collection but rather show the vast but finite world that God had laid out for human use. At the same time, Sloane was also interested in collecting the infinite variations that could exist within the same type of object. It is also worth noting that Sloane collected amulets and superstitious paraphernalia to actively demonstrate his antipathy towards magic and idolatry. Delbourgo explains how this vision was connected to a specific form of Christianity that battled against superstition and was perfectly compatible with the mechanical view of the world often associated with modern science.

Overall, Delbourgo is careful to situate Sloane and the importance of his heritage without glorifying him. The clearest example of this, and perhaps one of the most relevant contributions of the book is the emphasis on the role of slavery and Sloane’s contact with black and indigenous populations in shaping his medical and natural history practices. This allowed him not only to establish his medical career back in London but also to begin a collection of people, indeed Sloane’s interest in the study of black bodies persisted for many years. Moreover, his medical contact with slaves and natives in Jamaica also opened the possibility to collect objects from them.

Hans Sloane’s Nautilius Shell housed at the Natural History Museum in London (By Paul Hudson, via Flickr)

Collecting the World is written with vivid detail and includes several color plates of some of the most striking objects of Sloane’s collections such as a carved nautilus shell or a portable Buddhist shrine.. This book will appeal readers who are collectors themselves or museum lovers. It will definitely put the apparently innocuous and romantic activity of collecting and appreciating museum objects into a different perspective.

Also by Diana Heredia López on Not Even Past:

Of Merchants and Nature: Colonial Latin America Through Objects (No. 1)

Giordano Bruno and the Spirit that Moves the Earth

By Alberto A. Martinez

Before Galileo did anything in astronomy, the Italian philosopher Giordano Bruno argued that the Earth moves around the Sun. Bruno believed that the Earth is a living being, with a soul. These were unusual beliefs for a Christian.

In 1592, Bruno was captured by the Inquisition in Venice and imprisoned. The next year he was transferred to the Inquisition’s prison in Rome. After seven and a half years of interrogations, he was finally condemned to what was widely feared as the worst kind of punishment: he was gagged, taken to a public place, tied to a post, and burned alive. Historians are quick to point out that Bruno was not killed for his belief in the Earth’s motion, but for heretical religious beliefs.

Engraving of Giordano Bruno from ca. 1830 (via Wikimedia Commons)

For years I investigated this story and what I found really surprised me. It turns out that Giordano Bruno’s belief in the moving Earth was directly connected to some of his beliefs that were heretical. To Catholics, heresies were willful departures from Catholic dogma. Heresies were the worst kinds of crimes, even worse than murder. Heresies were crimes against God.

Bruno’s final condemnation by the Inquisition exists only in a partial copy, prepared for the Governor of Rome. Unfortunately, it omits the list of accusations against Bruno, that is, his alleged heresies. But there is some good evidence of what they were.

On February 8, 1600, the Roman Inquisition condemned Bruno at the palace of the supreme Inquisitor, Cardinal Ludovico Madruzzi. On that day, one of the witnesses present was a young German humanist, Gaspar Schoppe, a guest living at Cardinal Madruzzi’s palace. Days later, Schoppe also witnessed Bruno’s execution at a public marketplace, an open intersection of city streets in Rome known as the Campo de’ Fiori: the “Field of Flowers.”

The statue of Giordano Bruno at the Campo de’ Fiori, in Rome. The plaque reads: “9 JUNE 1889. TO BRUNO. THE CENTURY PREDICTED BY HIM. HERE WHERE THE FIRE BURNED” (via author).

The day Bruno was burned, Schoppe wrote a detailed letter to a friend explaining what had just happened. Schoppe complained that ordinary people in Rome were saying that a Lutheran was burned. But Schoppe explained that that was not true at all. Bruno wasn’t a Lutheran, but something far worse—a “monster.”

Schoppe wrote: “Perhaps I too would believe the vulgar rumors that Bruno was burned for Lutheranism, but I was present at the Holy Office of the Inquisition when the sentence against him was pronounced, & so I know what heresy he professed.”

Excerpt of Gaspar Schoppe’s letter from February 1600, published in 1621, stating Bruno’s “horrendous” beliefs and teachings (see below for source).

Schoppe listed twelve of Bruno’s absurdly horrible claims, his “teachings” (quibus horrenda prorsus absurdissima docet). I’ll quote just two of them, the first and fifth:
(1) “Worlds are innumerable,”…
(5) “the Holy Spirit is nothing other than the soul of the world,”…

Schoppe commented: “perhaps you might add: the Lutherans neither teach nor believe such things, and therefore should be treated otherwise. I agree with you, & therefore, precisely no Lutherans do we [Catholics] burn.”

This means that if the Lutherans held these teachings or beliefs, docere neque credere, they would be burned. It also means that Bruno was burned for these teachings and beliefs.

A portrait of Gaspar Schoppe by Peter Paul Rubens, 1606 (via Wikimedia Commons).

The two accusations above recur throughout Bruno’s trial, from its beginning to the end. It turns out that both were directly connected to Bruno’s conviction that the Earth moves. And most importantly, surprisingly, I found that these beliefs were heresies.

First, Bruno had said in nine books that many worlds exist: not just the Earth, but the Moon, the planets and the stars: “innumerably many worlds.” Apparently he didn’t know it was a heresy to claim that “innumerably many worlds exist.” This belief had been denounced as a heresy by many authorities including Saint Philaster, Saint Jerome, Saint Augustine, and Pope Gregory XIII.

Catholics were horrified by this idea, because if many worlds exist then Jesus Christ would have to be born and crucified in each of those worlds to offer salvation to the beings in such worlds.

Second, Bruno said that the Earth has a soul. In twelve of his books he repeatedly asserted that the world has a soul, the Earth has a soul, or the universe has a spirit. According to Bruno, the Earth was alive, like an animal. Just as our bodies are made from matter, from bits of the Earth, so too he said that our individual souls come from soul of the Earth.

Yet this belief that heavenly bodies are animated had been declared heretical by the Fifth Ecumenical Council in the year 553. Similarly, in 1277, Bishop Etienne Tempier in Paris had condemned as a heresy the belief that the heavenly bodies are animated, like animals. This was viewed as a belief of ancient pagans, not Christians.

When Bruno was interrogated by Inquisitors, he said that the Holy Spirit is the soul of the world. Apparently he didn’t know that in 1141 the Council of Sens had condemned as heretical the claim that “the Holy Spirit is the soul of the world.”

Relief depicting the trial of Giordano Bruno, from the base of the Ferrari statue in Campo de’ Fiori (via Wikimedia Commons).

Books on heresies echoed this statement. For example, in 1590, Tiberio Deciani published a Criminal Treatise on All Heresies, in Venice, including the heresy that the Holy Spirit is the soul of the world. Yet Bruno said that to the Inquisitors in Venice when he was interrogated in 1592. And Bruno repeated it to the Roman Inquisitors; he “relapsed” into this heresy. Anyone who relapsed into a heresy, after being instructed to abandon it, was a proven to be an obstinate heretic.

So these heresies about many worlds and about the universal soul were linked to Bruno’s conviction that the Earth moves. It moves because it’s a heavenly body. It moves because it has a soul.

Still, is there any direct evidence that the Inquisitors were aware, concerned, or annoyed, specifically, by Bruno’s claim, in three books, that the Earth moves around the Sun?

Yes. By 1597, theologians working for the Roman Inquisition had extracted ten propositions from Bruno’s books. The propositions were censured and Bruno had to recant. Two were about the “world soul” or “universal spirit.” One was about the planets being animated. One was about the existence of many worlds. And yes—Bruno’s fifth censured proposition was: “About the Earth’s motion.”

A line engraving of Nicolaus Copernicus (1473-1543) . Copernicus is holding a model of his heliocentric theory (via Wikimedia Commons).

This all means that Bruno’s belief in a moving Earth was part of the heretical worldview that he advocated both in his books and in his trial. His ideas about many worlds and about the soul of the world convinced him that Copernicus was right: the Earth moves. Those same ideas about worlds and souls led Bruno to his death.

Sixteen years later, in 1616, when Galileo first got in trouble with the Inquisition in Rome, four of the same Inquisitors and Consultors from Bruno’s trial also met with Galileo. One of them was now the head of the Inquisition. Another one was now the head of the Index of Forbidden Books. And another was now the Pope.

But Galileo was more cautious than Bruno.

Illustration depicting Galileo Galilei at his trial by the Inquisition in Rome in 1633 (via Wikimedia Commons).

Galileo denied that the Moon was another world, even though he discovered—he saw with a telescope—that the Moon has mountains and valleys. Bruno had actually predicted that, whereas Copernicus had not. Galileo didn’t say that “innumerably many worlds exist,” though he proudly wrote that he had discovered “innumerably many stars.” Bruno, not Copernicus, had predicted that too. Galileo discovered moons around Jupiter. And again, Bruno had predicted that some planets have moons, like the Earth, while Copernicus had not.

Galileo did not tell the Inquisitors about any soul or universal spirit that moves the Earth either. But in two private letters, in 1615, he guardedly admitted that he believed that the Sun can be described as the soul of the world and that it transmits a spirit throughout the universe, a spirit that gives life and movement to all things. Even the Earth?

After meeting with the Inquisitors in Rome, Galileo never again wrote about the universal spirit that vivifies and moves all things. We don’t even know if the Inquisitors knew that, in private, secretly, quietly, Galileo too entertained such ideas.

Bruno was not killed for his belief in the Earth’s motion. But this belief was directly linked to key heresies that led to his execution.

The trial of Bruno was in the background of Galileo’s troubles with the Inquisition. Galileo lived in the haunting shadow of the burning man.

Photo Source: Gaspar Schoppe to Konrad Ritterhausen, 17 February 1600, printed in Gaspari Scioppii, “Epistola, in qua sententiam de Lutheranis tanquam haereticis atram Romae fieri asserit & probat,” in Machiavellizatio (Zaragosa: Didacus Ibarra, 1621), pp. 30-35.

Also by Alberto Martinez on Not Even Past:

Alberto Martínez on Darwin’s Finches & Other Science Myths.

Was Einstein Really Religious?

Dividing by Nothing.

More of Alberto Martinez’s works and writings can be found here.

How to Survive a Plague: The Inside Story of How Citizens and Science Tamed AIDS, by David France (2016)

By John Carranza

In the 1980s, the United States experienced a new disease that seemed to target young, gay men living in New York City and San Francisco. From the beginning, those doctors and scientists willing to treat members of the gay community remained perplexed as to why these men, their ages ranging from their early twenties to their thirties, were falling ill with rare diseases that would not ordinarily affect someone their age. The earliest name given to this new epidemic was gay related immune deficiency (GRID) before it took the name acquired immune deficiency syndrome (AIDS), which was caused by the human immunodeficiency virus (HIV). The push for scientific advancement and treatment was not readily available to these young men, and many government officials at the state and national levels refused to acknowledge the epidemic that soon spread across the United States and affected groups other than gay men.

David France’s How to Survive a Plague: The Inside Story of How Citizens and Science Tamed AIDS is a complementary work of history to the 2012 documentary of the same name that documented the early years of the AIDS epidemic to the successful discovery a decade later of combination drug therapies that brought people with AIDS from the brink of death back to life. The main actors in France’s sweeping narrative are a group of men and women who formed the AIDS Coalition to Unleash Power, or ACT-UP, devoted to demanding action from the government and pharmaceutical companies for treatment. Their initiatives were influential in saving thousands of lives by the early 1990s.

ACT-UP buttons from the 1980s (via Wikimedia Commons).

ACT-UP began as an informal group of gay men who were dying of opportunistic infections related to the compromised immune systems associated with AIDS. However, as time went on, the epidemic took more lives and the government remained silent, so they took it upon themselves to learn about their illnesses in order to demand government intervention and the development of medical treatments. In this way, many of them became citizen-scientists. They compiled the scientific data made available to them by competing scientists and used it to educate one another and the government officials that they lobbied. They pushed for medications that would treat their opportunistic infections, as well as the virus that causes AIDS once it was discovered. They were also first in realizing the safe sex might lessen the chances a person had for catching this new and mysterious disease.

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AIDS activists in the 1980s (Curve Magazine via the Odyssey Online).

France recounts the activism necessary to win visibility not just for gays, but also for other populations who became affected, such as intravenous drug users and women. ACT-UP’s activism undertook public demonstrations as a means of demanding more scientific research, access to drugs, and lower prices for those drugs once they were identified as possible treatments. In its earliest years of activism, the group modeled itself on the Civil Rights movement of the 1960s by practicing nonviolent civil disobedience and going into traditionally conservative parts of the United States to educate people. ACT-UP petitioned members of Congress for AIDS funding for research, fought with the Food and Drug Administration (FDA) to allow lifesaving drugs onto the market faster, set up needle exchanges for intravenous drug users, and protested on Wall Street. The early stages of ACT-UP’s activism included using the infamous symbol of the pink triangle with SILENCE = DEATH written beneath it, which was made into bumper stickers and posters that could be plastered all over the city, as well as hats and T-shirts. One of the enduring symbols of their activism is the AIDS Memorial Quilt, which was created in San Francisco to remember the lives lost in the epidemic. It made its first appearance on the National Mall in Washington, D.C. in the fall of 1987 when it included more than 1,900 panels.

The AIDS Quilt on the National Mall in 2011 (via Wikimedia Commons).

David France’s book is a great achievement in that he details the events and lives of the people who lived through the AIDS epidemic over the course of approximately thirteen years. France achieves this not simply as a researcher with an eye for historical detail, but also as a person who lived through those events as a journalist. His ability to document the AIDS epidemic in the 1980s resulted in the ability to keenly observe developments while still keeping a certain level of objectivity. France uses extensive archival research, including the papers of the most visible activists and he draws on his own experience. Where possible, France conducted oral interviews with members of ACT-UP who are still alive today. France captures the emotion and frustration of the members of ACT-UP who pushed for access to life saving drugs while negotiating alliances and feuds among members of the group and the scientific community. How to Survive a Plague is essential reading, not only for members of the LGBTQ community, but for everyone who may have been too young or not have been alive during the 1980s and early 1990s when the fight for visibility and medication was still happening. How to Survive a Plague is an excellent example for understanding how activism works, how advocacy for those marginal members of society can be effective, and to show government and public health officials how not to handle a plague.

You may also like:

Joseph Parrott reviews The Lavender Scare: The Cold War Persecution of Gays and Lesbians in the Federal Government by David K. Johnson (2006).
Chris Babits explores the Dallas Gay Historic Archives.
Blake Scott reviews AIDS & Accusation: Haiti and the Geography of Blame by Paul Farmer (1992).

What Killed Albert Einstein?

by John Lisle

On April 17, 1955, Albert Einstein’s abdominal aortic aneurysm burst, creating internal bleeding and severe pain. He went to Princeton Hospital but refused further medical attention. He demanded, “I want to go when I want. It is tasteless to prolong life artificially; I have done my share, it is time to go. I will do it elegantly.” In the early morning hours of April 18, the on-duty nurse heard him say a few words in German, which she could not understand, and then Einstein died.

The Daily Princetonian front page on 18 April 1955 (via the Mudd Manuscript Library blog).

Dr. Janos Plesch, a physician and long-time close friend who occasionally treated the physicist, thought that syphilis caused Einstein’s deadly abdominal aortic aneurysm (AAA). He said that Einstein was “a strongly sexual person” who enjoyed the company of numerous women even while married. Dr. Plesch conjectured that AAAs usually have a syphilitic origin. Why, he thought, would it be so unreasonable to assume that Einstein contracted syphilis on one of his escapades? Some authors have echoed Plesch’s claim, repeating it as undoubtedly true because it came from a close confidant of Einstein. But numerous studies, both before and after Einstein’s death, show that the connection between syphilis and AAAs is small. According to a study in 2012, only around 1% of untreated late vascular manifestations of syphilis result in an AAA in the descending aorta, the kind Einstein had.

Also, no evidence of syphilis was ever reported in Einstein’s body, including his famously dissected brain. These facts do not definitively disprove that Einstein had syphilis, although it appears very unlikely, but they do beg the question: Is there a more probable explanation for why Einstein developed his deadly aneurysm? Strangely, though many scholars eagerly investigate every facet of Einstein’s life, few or none have analyzed the cause of his death.

Einstein’s brain before dissection in 1955 (via Discover).

The type of aneurysm that Einstein had is statistically linked with being old and male. However, the majority of people developing an AAA also have a history of smoking. Only lung cancer is more closely associated to smoking among tobacco-related diseases. In an analysis of risk factors for AAAs in more than three million individuals, 80% of people who developed the aneurysm were smokers. Another systematic study found that current smokers were 7.6 times more likely to have an AAA than nonsmokers. The aneurysm’s prevalence and size are strongly linked to the amount of smoking one does, and Einstein was a heavy pipe smoker for decades.

Einstein’s doctors ordered him to stop smoking during his various illnesses. He sporadically obeyed. When friends gave him gifts of tobacco during these brief periods of abstinence, Einstein would open the gift, sniff to enjoy the aroma, and then give it away to someone else. But Einstein always succumbed to the overwhelming temptation of his beloved vice. He often resorted to taking tobacco handouts from friends. Dr. Plesch especially felt sorry for the needy, embarrassed Einstein and provided him with a steady supply of tobacco and cigars despite the orders of Einstein’s other doctors and second wife, Elsa.

Einstein and his second wife, Elsa (via Wikimedia Commons).

During his doctors’ smoking bans, when Einstein walked to the Institute for Advanced Study at Princeton, where he had worked since 1933, the old physicist picked up cigarette butts from the street and filled his pipe with bits of discarded tobacco. He initially walked to the Institute across from the nearby meadow, but he switched routes because the street offered more abandoned tobacco. Einstein tried to summon the courage to openly defy the bans, but he worried about offending his doctors.

In late 1948, Einstein had life-prolonging surgery to keep his AAA from bursting. The surgeon wrapped cellophane around the aneurysm. A photograph of Einstein leaving the hospital after surgery shows him inside a car with a pipe in hand. Soon after, Einstein became a lifetime member of the Montreal Pipe Smokers Club and wrote to its president, “Pipe smoking contributes to a somewhat calm and objective judgment in our human affairs.”

The famous physicist in 1933 (via Wikimedia Commons).

Images of iconic figures associate smoking with intelligence: Einstein, Oppenheimer, Freud, Sherlock Holmes. The pipe gives them a pensive aura. Einstein depended on smoking—not for his genius, as some writers claim, but as a repetitive set of actions to soothe and comfort. For Einstein, this was a tolerable trade-off for his health and, ultimately, his life.

Read more by John Lisle on Not Even Past:

Review of This New Ocean: The Story of the First Space Age, by William Burrows

Contributions to Behind the Tower

The Museum of Sour Milk: History Lessons on Bulgarian Yogurt

by Mary Neuburger

One evening this summer, I found myself careening down a country road at breakneck speed to the town of Studen Izvor on the Bulgarian border with Serbia. Stunning scenery enveloped a string of thinly populated towns, some peppered with socialist-era industrial ruins that somehow added to the charm. Edit, the wife of my friend and colleague Kiril, drove like a bat out of hell. The trip, after all, was Edit’s bright idea. She knew I was interested in the history of food in Bulgaria and so planned this little day trip for the three of us. But we were running late and there was no way that we were going to make it to the yogurt museum before closing time. We had lingered too long over a meal in a traditionally themed restaurant on the edge of Sofia, the Bulgarian capital, where I had ordered a rather salty filet of “brain” in the interest of culinary adventure. Clearly agitated, Kiril put in a call to the museum from the speeding car, pleading with the museum staff to stay open late for the “visitor who had come all the way from America.” Of course, they waited.

The Museum of Bulgarian Yoghurt in Studen Izvor, near the western border of Bulgaria (via author).

Finally we pulled into museum’s small gravel parking lot with a dramatic spray of pebbles. As we ascended into the sleepy mountain village with our Sofia license plate, the few elderly inhabitants followed us with their gaze from their courtyard perches. A Bulgarian woman, with a few family members in tow, warmly greeted us and we profusely apologized as they led the “American visitor” and her Sofia entourage into the small freshly painted rooms of their brand new museum. The yogurt museum is one in a string of small food museums—along with one for honey, and beans—that are scattered across rural Bulgaria. Created with EU funds, they are part of larger effort to develop “sustainable tourism” through local attractions that are depicted on the freshly published tourist maps of Bulgaria available in any Sofia kiosk. While the tourist draw is…well, still minimal, for me the museum of yogurt or “kiselo mliako” (literally, sour milk) was pure inspiration! A starting point to dig deeper into the history of this critical ingredient in the Bulgarian (and now global) diet.

Bulgarian yogurt served in a traditional dish (via Wikimedia Commons)

While yogurt is consumed in much of the world, in Bulgaria it is a staple, often a part of breakfast, lunch, dinner, and dessert. It is used as the base of cold soups and sauces with garlic or herbs, or with honey as a simple dessert. The per capita consumption is roughly 27 kg, which is 4 times that of the US. Though most often sold and eaten plain, unlike in the US, it never says “plain” on the label. And indeed, Bulgarian yogurt is far from plain—even in its barest of forms. With choices commonly available of cow, goat, sheep, or water buffalo—the consumer is usually choosing by the distinct flavors of region, season, or animal rather than added fruit or other flavors. Much of the flavor comes from the way it is produced, in small local farms, largely in mountainous areas, with grass-fed and free-range animals. In part, what makes it so delicious is that you taste the terroir (as the French would say of wine, cheese and other products), that is the soil, air, plants and general characteristics of the locale where the product originates.

Stamen Grigorov in 1918. He served as a medical officer in the Bulgarian Army during WWI (via Wikimedia Commons).

But the cult of yogurt in Bulgaria is not just about the flavor. It is also about the health effects of its unique bacterial flora. The visit to the little museum—which stayed open just for me—revealed the details of a key chapter in the history of yogurt. The village of Studen Izvor was the hometown of Bulgarian scientist and physician, Stamen Grigorov (1878-1945) who in 1905 first discovered and viewed through a microscope the bacteria used for the fermentation of milk into yogurt. Grigorov, apparently had brought a number of ceramic urns of the “sour milk” from Bulgaria to Geneva, where he earned his PhD in medicine under famous microbiologist Dr. Léon Massol (1838–1909). With Massol’s urging Grigorov presented his findings at the famous Pasteur Institute in France in the same year. The particular variety of bacteria was named Lactobacillus bulgaricus in his honor, often followed by (Grigorov) in early scientific references.

Ilya Mechnikoff in 1908 (via Wikimedia Commons).

A number of sources wrongly credit Russian immunologist Ilya Metchnikoff (1845-1916) for the discovery, as he was at the Pasteur Institute in 1905 and shared in the general enthusiasm for Grigorov’s discovery. Mechnikoff became famous for his work on immunology and aging and was awarded the Pulitzer Prize in 1908. Metchnikoff, though, was intrigued by the prevalence of centenarians in Bulgaria—people who lived to be over 100 years old—and famously linked this phenomenon to the consumption of yogurt. He is also credited with popularizing yogurt in turn of the century Europe and the US.

The process of milk fermentation originated among the Turkic herding tribes of Central Asia, who brought it to the Balkans with the Ottoman advance in the fourtheenth and fifteenth centuries. Until the twentieth century, its consumption was rather limited to the geographical extent of Turkic influence and beyond to South Asia. Grigorov’s discovery and Mechnikoff’s writings created a sensation in the growing US “health food” movement in the early twentieth century. Dr. John Harvey Kellogg—the well know vegetarian and proponent of whole grain foods—jumped on the bandwagon. Kellogg advocated the regular consumption of yogurt for cleaning your colon from the “putrefaction” caused by consumption of flesh. He also gave himself regular yogurt enemas, noting that if you “balance your intestinal flora” you will “live as long as the rugged mountain men of Bulgaria.”

I read more about Grigorov and yogurt or “kiselo mliako” (literally sour milk) after returning to Sofia. In contrast to Mechnikoff, Grigorov, chose to live out most of his life as a country doctor in Studen Izvor, where he continued to conduct research. Grigorov is remembered by few people inside or outside of Bulgaria, but his name does come up frequently in histories of yogurt and probiotics—from Wikipedia to a plethora of books on the subject. The yogurt museum—though probably visited by few—is a monument to his name.

The author outside the Museum of Bulgarian Yogurt (via author).

Because I arrived late, the museum was out of the yogurt usually offered to guests for an on-site tasting. I was not disappointed, as I had come to look more than taste and there was no lack of yogurt at any and every shop or restaurant in Bulgaria. Indeed, back in Sofia, I decided to do a taste test of local yogurts sold at a specialty shop for “local and organic” dairy products. Such shops are a recent response to the inroads of companies like Dannon and the growing commercialization of dairy products in the post-socialist period. I bought three containers of plain yogurt—cow, sheep, and goat. All three were delicious with quite distinct flavors, but the sheep’s yogurt was my hands down favorite. Of course it might have been the season, the region, or who knows what else.

Read more by Mary Neuburger on Not Even Past:

Cold War Smoke: Cigarettes Across Borders

On Tobacco and Smoking in Bulgaria

From Feasts to Feats (or Feet) on the Coals

Show & Tell: The Video Essay as History Assignment

From the editor: As our thoughts turn back to teaching, Not Even Past turns back to some of our posts from 2013-14 about new and best teaching experiences. (JN, August 15, 2014)

As the school year comes to a close, we end our series of monthly features on teaching history with a creative assignment devised by one of our US History professors. Instead of assigning only written or oral work, Robert Olwell was one of a handful of History faculty who asked their students to make video essays on specific topics related to the course. On this page, Olwell tells us about the assignment and we include some of the best of the videos his students created. Below we link to the instructions Olwell gave to the students. And throughout the month of May, we will post video essays our students produced in other History Department courses. (JN, May 1, 2014)

by Robert Olwell

In the fall of 2013 I taught the first half of the US history survey course (HIS 315K), which offers a treatment of the major themes of American History from 1492-1865. There was nothing unusual in this. I have taught 315K at least once a year (and often twice) since I came to UT twenty years ago. The course is designed as a lecture course, with assigned readings, and four in-class essay exams. The enrollment is generally 320 students. This time however, my enrollment was capped at only 160. The relatively small number allowed me to conduct a pedagogical experiment. In addition to their individual written essay exams, I assigned each of my students the task of working with three classmates to create a short “video essay.” Their task might fairly be described as a producing a brief research report in which they present their findings not on paper but on the screen. My hope was to enlist students’ familiarity and fascination with digital media in the cause of history and pedagogy.

In order to keep control of the project, I made several command decisions. First, I divided the class into forty teams of four students each. I allowed students no choice of partners but simply used the class roll and the alphabet to make the groups (hence team members’ last names often start with the same letter). Second, I gave the groups no choice as to their topic. I created a list of forty topics that I deemed suitable (i.e., could easily be presented in a four-five minute video) and assigned one topic to each group.

As the rubric that I posted for the assignment indicates, by far the most important part of their task was the first one: writing the “script.” In late October, my Teaching Assistants and I poured over the forty, ten-page- long scripts. (Each TA looked at ten scripts and I looked at all of them.) Our aim was to offer historical critiques and suggestions, and to make sure the students were on the right track as regards sources, bibliography, and so on. We acted more as “historical consultants” to their projects than as producers. Having never made or posted a video myself, I could offer them little or no assistance in that regard. Instead, I relied on the students’ own facility with visual and digital media to carry them through. (Having watched my two teen-aged daughters produce videos both as school projects and for fun, I rightly suspected my students would be more than capable of fulfilling this part of the assignment on their own.)

Overall, I would judge the “video essay” project to have been a great success. In their peer evaluations most students agreed; some wrote that it was the most interesting thing they had ever done in a history class. The standard of the finished videos was quite high (the average grade was a B+). There were some difficulties, of course. Some of the groups did not work well together and some students did not pull their weight. The final part of the assignment, peer evaluation, was included to address this possibility. However, most groups did cooperate effectively and I used the peer evaluations as often to reward those students acknowledged by their teammates to have been project leaders, as to punish the slackers.

Would I do it again? Yes, but. Next time, I would probably make the project optional (perhaps replacing one of the written exams), and allow students to make their own teams and choose their own projects.

Here is the assignment sheet and rubric that I handed out to the students.

And here are the six video essays that I deemed the best of the forty produced by my students last fall.

Cahokia
by Valerie Salina, Jeffrey A. Sendejar, Victor Seth, and Sharmin Sharif

The 54^th Massachusetts Volunteer Infantry Regiment (1863-65)
by Madeline Christensen, Nathan Cliett, Rebecca Coughlin, and Corbin Cruz

Anne Hutchinson
by Justin Gardner, Rishi Garg, Yanni Georghiades, and Rachelle Gerstner

The Book Of Negroes
by Will Wood, Anfernee Young, Qin Zhang, and Sally Zhang

Dr. Josiah Nott
by Salina Rosales, Felipe Rubin, and Hunter Ruffin

New Amsterdam
by Evan Taylor-Adair, Oliver Thompson, Kimberly Tobias, and Reynaldo Torres Arellano

Watch for more student videos in the coming weeks.

In the meantime, revisit Blake Scott’s examination of the coming of tourism to the Panamanian rain forest: I am Tourism/Yo soy Turismo

And check out other stories on teaching and learning:

Also by Robert Olwell, You Say You Want a Revolution? Reenacting History in the Classroom

Video assignments by Jacqueline Jones, Students Debating History: Another Look at the Video Essay

Penne Restad and Karl Hagstrom Miller on Teaching

Student Showcase – “America’s Dirty Little Secret”: The Tuskegee Syphilis Experiment

Harshika Avula, Lekhya Kintada, Daniel Noorily, Bharath Ram, Kevin Zhang
Health Careers High School
Senior Division
Group Website

Between 1932 and 1972, doctors from the United States Public Health Service undertook a project in rural Alabama to allegedly treat “bad blood” and other illnesses among local African-Americans. But these doctors’ real agenda was to observe the impact of untreated syphilis. Over four decades, 600 African-Americans, believing they were receiving genuine medical attention, were given placebos and prevented from treating their syphilis. To this day, the Tuskegee Syphilis Experiment remains one of the most controversial moments in the history of American medicine.

Harshika Avula, Lekhya Kintada, Daniel Noorily, Bharath Ram and Kevin Zhang created “‘America’s Dirty Little Secret’: The Tuskegee Syphilis Experiment,”a website for Texas History delving into this dark chapter of medical history. Their site explores the study’s origins, how it operated and the individuals it used.

Tuskegee syphilis study doctor injects subject with placebo (Wikipedia)

Officially titled “The Tuskegee Study of Untreated Syphilis in the Male Negro,” the experiment, originally designed to study the progression of untreated syphilis in African American men for six months, ran from 1932 to 1972. The study had 600 participants: 399 with syphilis and 201 in the control group. The doctors lured the participants with false incentives, and although penicillin, a cure for syphilis, was available in 1947, physicians did not treat the participants.

Government document depicting number of patients with syphilis and number of controlled non-syphlitic patients, 1969 (Wikipedia)

The 600 sharecroppers involved in the Tuskegee Syphilis Study sought compensation for the damages incurred during the experiment. The progress of the Civil Rights Movement and the rights previously promised to human research subjects in the Nuremberg Code only served to encourage public support of the trial. After being subjected to prejudice and inequality, the participants and their families felt the court’s award was inadequate. The final settlement awarded $10 million divided among the living patients and their relatives.

The latest terrific work from Texas high school students:

A documentary on one man’s attempt to fight injustice in World War II America

A research paper on the balance between public health and personal liberty

Student Showcase – Individual Rights vs. Medical Responsibility: Human Experimentation in the Name of Science

Jonathan Celaya
Alpine High School
Senior Division
Historical Paper

Read Jonathan’s Paper

Today we take vaccinations for destructive illnesses like Yellow Fever and Smallpox for granted. But what many of us don’t realize is the human toll that accompanied the discovery of these miracle drugs.

Jonathan Celaya of Alpine High School wrote a research paper for Texas History Day examining the delicate balance between the private rights of patients and the public responsibilities of physicians and scientists in the history of medicine and disease control. He argues that all too often one must come at the expense of the other:

Components of a modern smallpox vaccination kit including the diluent, a vial of Dryvax vaccinia vaccine, and a bifurcated needle (CDC)

From the earliest medicinal discoveries and treatments, the physician has had ultimate authority on what to administer to a patient. It was not until the technological revolution in the mid-1960s when medical experiments were conducted to discover new treatments and technologies to potentially benefit patients. These experiments and their results soon raised ethical issues. Often the subjects of the experimentation and the recipients of newly discovered treatments were unwilling participants. In some cases, these patients died after being forced to undergo such experimental procedures. There were no guidelines in the Oath on these matters, so a new principle had to be established. This principle became known as “informed consent,”meaning that the potential subject or patient was entitled to all information about his situation in order to decide what was best for him or herself.

An 1802 cartoon of the early controversy surrounding Edward Jenner’s vaccination theory, showing using his cowpox-derived smallpox vaccine causing cattle to emerge from patients (Library of Congress, Prints & Photographs Division, LC-USZC4-3147)

Therefore, the responsibility of the medical profession to act in the best interests of their patients dictated a new solution was needed. Edward Jenner discovered it by forcibly injecting the son of one of his servants with cowpox, a disease similar to smallpox, but found only in cows, to see if he would become immune to smallpox. Although the procedure provided excellent protection to the few private parties and physicians who utilized it was at first widely ignored. As other people began to try the procedure at Jenner’s urging, however, they found the results of the vaccination were far better than those of inoculation. Thomas Jefferson was among these skeptics and experimented with the new vaccination upon his slaves before accepting vaccination on his family. By today’s standards, the vaccination experiments conducted by Jenner as a scientist and Jefferson and other civilians were immoral due to the lack of subjects’ informed consent, although no such principle existed at the time. Either way, they provided the world a gift of limitless value.

Catch up on the latest Texas History Day projects:

A website on the benefits and perils associated with off-shore drilling

A documentary on the draft’s long, controversial history in America

And a story of WWII internment you probably haven’t heard

Student Showcase – Oil and Gas Drilling in the Gulf of Mexico

Maham Sewani and Sania Shahid
Sartartia Middle School
Junior Division
Group Website

Read Maham and Sania’s Process Paper

In 2010 the Deepwater Horizon, an off-shore oil rig operated by British Petroleum, exploded in the Gulf of Mexico. Over the succeeding weeks an estimated 4.9 million barrels of oil spilled into the Gulf, the largest marine oil spill in American history. This event brought the dangers of off-shore drilling to the forefront of America’s public consciousness, leading many to ask why we even allow such dangerous methods of oil extraction.

Maham Sewani and Sania Shahid, students at Sartartia Middle School, explored the history of this controversial technology with a Texas History Day website, “Oil and Gas Drilling in the Gulf of Mexico.” Looking back on the origins of off-shore drilling, Maham and Sania argue this technology has created both economic benefits and ecological perils. Here are two excerpts from their site:

A controlled fire in the Gulf of Mexico following the Deepwater Horizon oil spill, May 6, 2010. The U.S. Coast Guard conducted the burn to help prevent the spread of oil. (U.S. Military)

Rights and responsibilities of stakeholders within the oil and gas industry in the Gulf of Mexico have greatly evolved. Since the mid-1900s, several incidents have resulted in loss of lives, destruction of property, and environmental damage. This has led to the reorganization of governmental agencies, more stringent regulatory framework, and corporate pursuit of technological advances, resulting in improved capability to extract oil and gas in deeper and harsher environments in a responsible manner.

Oil drilling platform off the coast of California, near Santa Barbara (U.S. Department of Energy)

Accidents, changes in supply and demand, technological advancements, jurisdiction conflicts, and competing priorities between energy independence and environmental protection have led to an evolution in rights and responsibilities of oil and gas industry stakeholders in the Gulf of Mexico. These stakeholders include corporations, the federal government, and governments of states bordering the Gulf of Mexico. The evolution over the past 60 years has resulted in significant reorganization of governmental agencies, changes in rights to value derived from mineral resources between stakeholders, and passage of more stringent laws/regulations causing companies to be environmentally safe, while simultaneously pursuing technological breakthroughs for more efficient and effective extraction of oil and gas.

Recent Texas History Day projects:

A documentary on the draft’s controversial history in America

And a story of WWII internment you probably haven’t heard

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