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Robert Trivers

Robert Ludlow Trivers (/ˈtrɪvərz/; February 19, 1943 – March 12, 2026) 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). He has also…

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Known for
Evolutionary biology, Animal behavior, Sociobiology
Alma mater
Harvard University
Born
Robert Ludlow Trivers (1943-02-19)February 19, 1943 Washington, D.C., U.S.
Children
5
Died
March 12, 2026(2026-03-12) (aged 83) Mount Vernon, New York, U.S.
Doctoral advisor
Ernest Williams

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Robert Trivers

Nodes55
Edges54
Triples36
Avg. degree1.96
Density0.036364
Components1

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Robert Trivers

Top relations

related to background · 24
Robert Trivers → American, American History, Berlin, Copenhagen, Cuban Missile Crisis, During, February, Germany, Growing, Harvard, His, Howard Trivers, Hungarian Uprising, Massachusetts, Mildred Trivers, Moscow Conference, Paris Conference, Phillips Academy, Potsdam Conference, Trivers
Spouses · 2
Robert Trivers → Debra Dixon (1997–2004), Lorna Staple (1974–1988)
Alma mater · 1
Robert Trivers → Harvard University
Born · 1
Robert Trivers → Robert Ludlow Trivers (1943-02-19)February 19, 1943 Washington, D.C., U.S.
Children · 1
Robert Trivers → 5
Died · 1
Robert Trivers → March 12, 2026(2026-03-12) (aged 83) Mount Vernon, New York, U.S.
Doctoral advisor · 1
Robert Trivers → Ernest Williams
Fields · 1
Robert Trivers → Biology
Known for · 1
Robert Trivers → Evolutionary biology, Animal behavior, Sociobiology
Thesis · 1
Robert Trivers → Natural Selection and Social Behavior (1972)

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Important terminology

trivers evolutionary biology selection conflict harvard university social self-deception evolution sex rutgers parental first described 1972 1974 doi isbn 10

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Robert TriversAlma materHarvard University1.00infobox
Robert TriversBornRobert Ludlow Trivers (1943-02-19)February 19, 1943 Washington, D.C., U.S.1.00infobox
Robert TriversChildren51.00infobox
Robert TriversDiedMarch 12, 2026(2026-03-12) (aged 83) Mount Vernon, New York, U.S.1.00infobox
Robert TriversDoctoral advisorErnest Williams1.00infobox
Robert TriversFieldsBiology1.00infobox
Robert TriversKnown forEvolutionary biology, Animal behavior, Sociobiology1.00infobox
Robert TriversSpousesLorna Staple (1974–1988)1.00infobox
Robert TriversSpousesDebra Dixon (1997–2004)1.00infobox
Robert TriversThesisNatural Selection and Social Behavior (1972)1.00infobox
Robert TriversWebsiteroberttrivers.com1.00infobox
Robert TriversWorkplacesRutgers University1.00infobox

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