Humans of History

from the archive · Modern era

Dian Fossey

January 16, 1932 – December 26, 1985 · anthropologist · primatologist · ethologist · zoologist

By The Keeper · Published
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Dian Fossey was an American zoologist and primatologist who spent nearly two decades studying mountain gorillas in the Virunga volcanoes of Rwanda, transforming scientific understanding of a species then widely dismissed as savage. Working from the Karisoke Research Center she founded in 1967, she documented gorilla social life in unprecedented detail and fought poaching with a ferocity that made her enemies. Her 1983 book Gorillas in the Mist carried her research to a global audience. Her unsolved murder at Karisoke in December 1985 turned her into one of conservation's most debated and mourned figures.

Early Life

Dian Fossey was born in San Francisco on January 16, 1932, the only child of George Fossey, an insurance agent, and Kathryn Kidd. Her parents divorced when she was young, and her mother soon remarried a businessman named Richard Price. By most accounts the household was strict and emotionally cool, and the girl found her warmest attachments in animals, beginning with a goldfish and later horses, which she rode with enough skill to join her school equestrian team [1].

She enrolled at the University of California, Davis, intending to become a veterinarian, but struggled with the chemistry and physics requirements. She transferred to San Jose State College and graduated in 1954 with a degree in occupational therapy [2]. The choice proved formative in an unexpected way. In 1955 she took a post directing the occupational therapy department at Kosair Crippled Children's Hospital in Louisville, Kentucky, where she worked for over a decade with children recovering from polio and other disabling conditions. Colleagues later recalled her patience with patients who could not speak, a skill she would one day apply to animals that could not either [1].

Kentucky also gave her a home base of a particular kind: she lived for years in a rustic cottage on a farm outside Louisville, preferring isolation and the company of dogs to city life. The itch to see Africa grew through the late 1950s, fed by books and by friends who had traveled there. In 1963 she borrowed money against three years of her salary to fund a seven-week safari, a decision that would redirect the rest of her life [3].

Path to Prominence

The 1963 trip delivered two decisive encounters. At Olduvai Gorge in Tanzania, Fossey met the paleoanthropologist Louis Leakey, who was then championing long-term field studies of great apes and had already installed Jane Goodall among the chimpanzees of Gombe. Days later, at Kabara in the Congolese Virungas, Fossey saw wild mountain gorillas for the first time, in the same meadow where the American zoologist George Schaller had recently completed the first serious field study of the species [2].

She returned to Louisville, published a few articles about the safari, and resumed hospital work. Then, in 1966, Leakey came through Kentucky on a lecture tour. Fossey reintroduced herself, and Leakey, who believed untrained women made unusually patient observers, offered to arrange funding for a long-term gorilla study. She accepted, and with support that eventually included the National Geographic Society and the Wilkie Brothers Foundation, she arrived in Africa at the end of 1966 [3].

Her first camp, at Kabara in the Democratic Republic of the Congo, lasted barely six months. Political violence in the region forced her out in mid-1967, and she was detained by soldiers before escaping across the border into Uganda. Rather than abandon the project, she relocated to the Rwandan side of the Virunga range. On September 24, 1967, she pitched tents in a saddle between the volcanoes Karisimbi and Bisoke and named the site Karisoke Research Center, combining the two mountain names [1]. The camp, a cluster of corrugated metal cabins at roughly 3,000 meters, would be her home and workplace for most of the next eighteen years.

Major Achievements

Any account of Dian Fossey achievements begins with habituation. Mountain gorillas had a reputation, inherited from hunters and film makers, as aggressive brutes. Fossey approached them slowly over months, imitating their feeding postures, knuckle-walking, and vocalizations such as the rumbling belch that signals contentment. The gorillas gradually accepted her presence, and in 1970 a young male she called Peanuts touched her hand, a moment captured by the photographer Bob Campbell and published in National Geographic. The magazine's January 1970 cover made her internationally famous and permanently altered the public image of the species [3].

Behind the photographs sat rigorous science. Fossey compiled thousands of hours of observation on gorilla group composition, dominance, parenting, vocal communication, and diet. She documented behaviors rarely or never recorded before, including infanticide by silverbacks and the transfer of females between groups. In the early 1970s she took leave from Karisoke to complete a doctorate at Darwin College, Cambridge, receiving her PhD in zoology in 1976 for a dissertation on gorilla behavior [2]. Karisoke itself became her second great achievement: under her direction it hosted a steady stream of graduate students and researchers, and it remains an active research institution decades later [4].

Her third front was protection. Rwanda's Parc National des Volcans was legally protected but weakly policed, and gorillas died in snares set for antelope or were killed outright for trophies and for infants sold to zoos. The 1977 killing of Digit, a young silverback she had known for a decade, changed her from researcher to combatant. She publicized the death worldwide, founded the Digit Fund to finance anti-poaching patrols, and pursued what she called active conservation: cutting snares, confronting poachers, and pressing authorities to enforce the law [5]. Census work associated with Karisoke helped establish that only about 250 mountain gorillas survived in the Virungas by the late 1970s, a figure that gave her campaign its urgency [4].

Personal Life

Fossey never married and had no children. Her most serious documented relationships included an early engagement to a Rhodesian named Alexie Forrester, broken off when she left for Africa, and a long affair during the Karisoke years with Bob Campbell, the National Geographic photographer, who was married and ultimately returned to his wife in Nairobi [1]. Farley Mowat's 1987 biography, drawing on her private journals, portrayed these attachments and their endings as sources of lasting loneliness.

Life at Karisoke was physically punishing. The camp sat in near-constant rain and cold, and Fossey suffered from emphysema worsened by heavy smoking, along with sciatica and fractures that made the daily climbs to gorilla groups increasingly difficult. She could be a demanding and volatile supervisor; a number of students left the camp on bad terms, and her treatment of suspected poachers, which included seizing equipment and interrogations that critics described as abusive, divided even her allies [3].

Her closest bonds were with the animals themselves. She gave the gorillas names, mourned them individually, and buried poached animals in a small graveyard beside her cabin. Digit's grave became the emotional center of the camp. However harsh she could be with people, visitors consistently described her gentleness among the gorillas, and the animals' evident ease with her was the foundation of everything she published [5].

Later Years

By 1980 the strain of poaching wars, illness, and disputes with Rwandan officials and rival conservationists had worn Fossey down. She left Karisoke that year for a visiting professorship at Cornell University, where she taught and finished the manuscript of Gorillas in the Mist. Published in 1983, the book blended memoir with thirteen years of field data and became a bestseller, later serving as the basis for the 1988 film starring Sigourney Weaver [2].

She returned to Rwanda in 1983 over the objections of some in the conservation establishment, who favored gorilla tourism as a funding model and considered her presence an obstacle. Fossey distrusted tourism, fearing disease transmission and disturbance to the animals, and the disagreement hardened into open conflict with several former colleagues and funders [3]. At Karisoke she resumed anti-poaching patrols, now in visibly failing health.

Early on December 27, 1985, staff found her dead in her cabin, killed during the night of December 26 by blows from a machete. The cabin had been broken into, but money and valuables were untouched. Rwandan authorities eventually convicted her tracker Emmanuel Rwelekana, who died in prison, and convicted her American research assistant Wayne McGuire in absentia after he had left the country; McGuire denied involvement, and most independent investigators have found both cases unconvincing. The murder remains unsolved [6]. She was buried at Karisoke beside Digit, under a marker bearing her Rwandan nickname Nyiramachabelli, often translated as the woman who lives alone on the mountain [1].

Legacy

Anyone asking who was Dian Fossey confronts a double legacy: a body of science and a model of conservation, each contested. On the science, there is little argument. Her long-term records, continued by successors at Karisoke, form one of the most complete datasets on any wild primate population, and her early papers and dissertation shaped the study of gorilla social behavior [4]. The basic Dian Fossey facts are secure in the literature: eighteen years in the Virungas, a Cambridge doctorate, a founding role in one of the longest-running field studies in primatology.

Her conservation methods remain debated. Critics argued that her confrontational tactics inflamed local resentment and that regulated tourism, which she resisted, ultimately paid for the protection she demanded. Defenders answer with the numbers: the Virunga mountain gorilla population, estimated at roughly 250 animals in the darkest years of her tenure, has grown steadily since, and censuses in the 2010s put the total mountain gorilla population above 1,000, the only great ape population known to be increasing [4]. Both camps built on ground she cleared.

The Digit Fund was renamed the Dian Fossey Gorilla Fund after her death and continues to operate Karisoke's research and protection programs, opening a permanent campus in Rwanda in 2022 [4]. Gorillas in the Mist stays in print, and the film adaptation introduced her story to audiences far beyond primatology. Any honest Dian Fossey biography must hold the difficult woman and the transformative scientist in the same frame; the gorillas she studied survive in the wild today partly because she refused to separate the two roles herself [5].

Questions & Answers

When was Dian Fossey born?
Dian Fossey was born on January 16, 1932, in San Francisco, California. She grew up there before studying occupational therapy at San Jose State College and working for years at a children's hospital in Louisville, Kentucky.
What is Dian Fossey famous for?
She is famous for her eighteen-year study of mountain gorillas in Rwanda's Virunga volcanoes and for founding the Karisoke Research Center in 1967. Her book Gorillas in the Mist and her aggressive anti-poaching campaigns made her the world's best-known gorilla advocate.
How did Dian Fossey die?
Fossey was murdered in her cabin at Karisoke on the night of December 26, 1985, killed by machete blows. Convictions of a tracker and, in absentia, an American assistant are widely doubted, and the crime is generally considered unsolved.
What did Dian Fossey discover about gorillas?
Through patient habituation she showed that mountain gorillas are largely peaceful, social animals rather than the aggressive brutes of popular myth. She documented their vocalizations, group structure, female transfer between groups, and cases of infanticide by silverbacks.
Where is Dian Fossey buried?
She is buried at the former Karisoke Research Center site in Rwanda's Volcanoes National Park, next to the grave of Digit, her favorite gorilla. Her marker carries the Rwandan nickname Nyiramachabelli.
Did Dian Fossey's work save the mountain gorillas?
Her patrols, publicity, and census work helped halt the species' slide toward extinction when only about 250 gorillas remained in the Virungas. The population has grown since, and mountain gorillas now number more than 1,000, the only great ape population known to be increasing.

References

Every record in this archive is kept against verifiable sources.

  1. [1]Farley Mowat. Woman in the Mists: The Story of Dian Fossey and the Mountain Gorillas of Africa. Warner Books, 1987. Book
  2. [2]Dian Fossey. Encyclopaedia Britannica. https://www.britannica.com/biography/Dian-FosseyWeb
  3. [3]Harold T. P. Hayes. The Dark Romance of Dian Fossey. Simon and Schuster, 1990. Book
  4. [4]Dian Fossey Biography. Dian Fossey Gorilla Fund International. https://gorillafund.org/who-we-are/dian-fossey/Web
  5. [5]Dian Fossey. Gorillas in the Mist. Houghton Mifflin, 1983. Book
  6. [6]Dian Fossey, 53, Is Found Slain in Rwanda. The New York Times, December 28, 1985. News
  7. [7]Dian Fossey. Making Friends With Mountain Gorillas. National Geographic, January 1970. Journal
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