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We write to inform you of an impending scandal that will affect the American Anthropological profession as a whole in the eyes of the public, and arouse intense indignation and calls for action among members of the Association. In its scale, ramifications, and sheer criminality and corruption it is unparalleled in the history of Anthropology... (Turner & Sponsel letter) This website is dedicated to providing a place to find information about Patrick Tierney's Darkness in El Dorado: How Scientists and Journalists Devastated the Amazon.

Demonstrating his own power has been not only a necessary condition of Chagnon's fieldwork, but a main technique of investigation. In a scientific reprise of a losing military tactic, he also attempted to win the hearts and minds of the people by a calculated redistribution of material wealth, and in so doing, managed to further destabilize the countryside and escalate the violence. Tierney quotes a prominent Yanomami leader: "Chagnon is fierce. Chagnon is very dangerous. He has his own personal war." Meanwhile, back in California a defender of Chagnon in the e-mail battles has lauded him as "perhaps the world's most famous living social anthropologist." The Kurtzian narrative of how Chagnon achieved the political status of a monster in Amazonia and a hero in academia is truly the heart of Darkness in El Dorado. While some of Tierney's reporting has come under fire, this is nonetheless a revealing book, with a cautionary message that extends well beyond the field of anthropology. It reads like an allegory of American power and culture since Vietnam.

Tierney never claimed, then, that Chagnon was the sole cause of the violence he recorded. Tierney's research—and that of others, such as Brian Ferguson—does show that some of Chagnon's actions had the effect of promoting conflicts that he then attributed to the ferocity of the people he was studying. (Tooby writes, irrelevantly, that other pre-state societies have higher rates of violence, but he never refutes Tierney's argument that Chagnon's account of warfare among the Yanomamö was exaggerated.) Tierney pointed out that missionaries gave machetes to the Yanomamö, beginning in the '50s, and that it was a cause of warfare. But Chagnon's machete trade was distinctive, Tierney showed, and distinctly destabilizing. Chagnon provided machetes in exchange for the names of dead relatives, a violation of tribal taboos, and in doing so, he contributed to discord among the Yanomamö. Chagnon also gave some Yanomamö villages a large number of machetes at once in exchange for their participation in his research projects. In one case, Tierney reported, he created an alliance between two villages which resulted in a raid on a third village and a death. In another case, which Chagnon describes in his book Yanomami: The Fierce People, the act of choosing one village over another for collecting blood samples in exchange for machetes resulted in conflict. According to one tribal leader Tierney spoke to, Chagnon promised machetes to those who would take part in an alliance that Chagnon created in order to make the film The Feast.

The focus of the scandal is the long-term project for study of the Yanomami of Venezuela organized by James Neel, the human geneticist, in which Napoleon Chagnon, Timothy Asch, and numerous other anthropologists took part. The French anthropologist Jacques Lizot, who also works with the Yanomami but is not part of Neel- Chagnon project, also figures in a different scandalous capacity.

One of Tierney's more startling revelations is that the whole Yanomami project was an outgrowth and continuation of the Atomic Energy Comissions secret program of experiments on human subjects James Neel, the originator and director of the project, was part of the medical and genetic research team attached to the Atomic Energy Commission since the days of the Manhattan Project.

Tierney presents convincing evidence that Neel and Chagnon, on their trip to the Yanomami in 1968, greatly exacerbated, and probably started, the epidemic of measles that killed "hundreds, perhaps thousands" (Tierney's language-the exact figure will never be known) of Yanomami. The epidemic appears to have been caused, or at least worsened and more widely spread, by a campaign of vaccination carried out by the research team, which used a virulent vaccine (Edmonson B) that had been counter-indicated by medical experts for use on isolated populations with no prior exposure to measles exactly the Yanomami situation). Even among populations with prior contact and consequent partial genetic immunity to measles, the vaccine was supposed to be used only with supportive injections of gamma globulin.

Hence Neel’s terrible experiments on the Yanomami, in a kind of grim downgrade of the Malthusian ethics of “Survivor.” He wanted to disprove the vulnerability of small, isolated groups to epidemics, seeking to show that though a disease such as measles might wreak awful havoc, his alpha-dominated males would be better adapted to evolve genetic immunity to these “contact” diseases. Many might die but the survivors would be of ever more superior stock. In their letter to the head of the Anthropological Association Turner and his colleague Sponsel write carefully that “Tierney’s well-documented account, in its entirety, strongly supports the conclusion that the epidemic was in all probability deliberately caused as an experiment designed to produce scientific support for Neel’s eugenic theory.”

We began this study assuming that, in Turner and Sponsel's words, we would be investigating 'an impending scandal' concerning flagrant wrongdoing by two celebrated scholars. Almost immediately, however, we discovered published evidence that the most serious allegations were false. Neel was not a eugenicist, did not cause the 1968 measles epidemic, and did not run nefarious experiments on unsuspecting human subjects. What he did was what any responsible physician would have done: vaccinate as many people as he could in a circle around the mission where the epidemic began. That these facts were available in the medical literature 30 years ago (Neel et al. 1970) made us wonder why Tierney had so badly distorted the facts. Perhaps it was because he had become an 'advocate,' to use his own words.

The first has to do with Tierney's use of an article by G. S. Wilson ("Measles as a Universal Disease," Amer. J of Diseases of Children 53: 219-23, 1962) to back up his claim that the Edmonston B measles vaccine is contraindicated. This is crucial to his broader argument that James Neel intentionally started a measles epidemic among the Yanomamo in 1968 by using this vaccine, and that he did this in order to observe its effect and test a eugenic theory.

Patrick Tierney's recent book Darkness in El Dorado makes very serious accusations of wrongdoing against Napoleon Chagnon, James Neel, and other scientists. Neel is accused of starting an epidemic among the Yanomamo in 1968 in order to observe its course as part of a secret experiment to test a eugenic theory. Chagnon is accused of aiding him, of fudging data, of staging events for his ethnographic films among other things, somehow causing the warfare that characterizes the Yanomamo.

Most cultural anthropologists now believe that the wars Chagnon witnessed were provoked by Chagnon himself. He offered axes, machetes, fishhooks and pots in exchange for ethnographic information, creating tensions among villages that vied for monopoly control of his wares. Within months of Chagnon's arrival in 1964, three different fights broke out between villages that had previously been at peace for decades. Anthropologist Brian Ferguson reports that Chagnon was "very much involved in the fighting and the wars. Chagnon becomes a central figure in determining battles over trade goods and machetes." A Yanomami reports that Chagnon offered him an outboard motor in exchange for help, including the procurement of a Yanomami wife. Shotguns, a seemingly unlimited supply of trade goods and willingness to don feathers, face paint and a loincloth allowed Chagnon to transform himself from an "improverished Ph.D. student at the bottom of the totem pole to being a figure of preternatural power." Tierney argues that many of Chagnon's data are simply false. The Yanomami do not have a particularly high murder rate, nor do men who kill reproduce more than those who don't. Neither are the Yanomami particularly well-nourished--a claim that Chagnon uses to argue that men fight over women and not food.

Anthro#3, who is interviewed at length, collaborated with the Atomic Energy Commission to introduce smallpox and other diseases so the long-terms effects radiation-like symptoms could be studied.

Unfortunately, Tierney says, the portrait was inaccurate: "The Yanomami have a low level of homicide by world standards of tribal culture and a very low level by Amazonian standards ... The attempt to portray the Yanomami as archetypes of ferocity would be pathetic were it not for its political consequences." Indeed, the book became anthropology's bestseller, which brought the modern world to the tribe's doorstep. Other anthropologists wanted a piece of the action; filmmakers wanted to document their lifestyle; the Atomic Energy Commission wanted their unique, untainted blood for radiation studies. The Yanomami wanted to be left alone, but no one listened.

In the three decades chronicled in the book, the invading hordes gave them measles and weapons to kill each other, destroyed their homes and damaged their culture beyond repair.

The author, Patrick Tierney, presented evidence that suggested that the epidemic was deliberately caused as an experiment, although the purpose of the experiment was left unclear.