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Robert Trivers

American evolutionary biologist and sociobiologist · United States · On the map · Scientists · Lived 1943 to 2026 · aged 83

Robert Ludlow Trivers was an American evolutionary biologist and sociobiologist who profoundly influenced both fields. Trivers proposed the theories of reciprocal altruism (1971), parental investment (1972), facultative sex ratio determination (1973), and parent-offspring conflict (1974).

Robert Trivers is read about 105 times a day, in 21 languages.

A typical day, 30 days to 9 November 2026

The middle day of the days counted, so one week of news cannot move it. The line under it is the last 111 days, one point a day.

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Crafoord Prize in Biosciences2007
Guggenheim Fellowship
Fellow of the American Association for the Advancement of Science

About this person

He has also contributed by explaining self-deception as an adaptive evolutionary strategy and discussing intragenomic conflict.

Country
United States
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1943 to 2026 · aged 83

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