|John Maynard Smith|
6 January 1920|
|Died||19 April 2004
Lewes, East Sussex, England
|Fields||Evolutionary biologist and geneticist|
|Institutions||University of Sussex|
|Alma mater||University of Cambridge and University College London|
|Doctoral advisor||J.B.S. Haldane|
|Doctoral students||Andrew Pomiankowski
|Known for||Game theory
Evolution of sex
|Notable awards||Balzan Prize (1991)
Copley Medal (1999)
Kyoto Prize (2001)
Linnean Society of London's Darwin-Wallace Medal (2008)
Fellow of the Royal Society (1977)
John Maynard Smith,[note 1] F.R.S. (6 January 1920 – 19 April 2004) was a British theoretical evolutionary biologist and geneticist. Originally an aeronautical engineer during the Second World War, he took a second degree in genetics under the well-known biologist J.B.S. Haldane. Maynard Smith was instrumental in the application of game theory to evolution and theorized on other problems such as the evolution of sex and signalling theory.
John Maynard Smith was born in London, the son of the surgeon Sidney Maynard Smith, but following his father's death in 1928 the family moved to Exmoor, where he became interested in natural history. Quite unhappy with the lack of formal science education at Eton College, Maynard Smith took it upon himself to develop an interest in Darwinian evolutionary theory and mathematics, after having read the work of old Etonian J.B.S. Haldane, whose books were in the school's library despite the bad reputation Haldane had at Eton for his communism.
On leaving school, Maynard Smith joined the Communist Party of Great Britain and started studying engineering at Trinity College Cambridge. When the Second World War broke out in 1939, he defied his party's line and volunteered for service. He was rejected, however, because of poor eyesight and was told to finish his engineering degree, which he did in 1941. He later quipped that "under the circumstances, my poor eyesight was a selective advantage—it stopped me getting shot". The year of his graduation, he married Sheila Matthew, and they later had two sons and one daughter (Tony, Carol, and Julian). Between 1942 and 1947 he applied his degree to military aircraft design.
Maynard Smith then took a change of career, entering University College London (UCL) to study fruit fly genetics under Haldane. After graduating he became a lecturer in Zoology at UCL between 1952 and 1965, where he directed the Drosophila lab and conducted research on population genetics. He published a popular Penguin book, The Theory of Evolution, in 1958 (with subsequent editions in 1966, 1975, 1993).
He became gradually less attracted to communism and became a less active member, finally leaving the Party in 1956 like many other intellectuals, after the Soviet Union brutally suppressed the Hungarian Revolution (Haldane had left the party in 1950 after becoming similarly disillusioned).
In 1962 he was one of the founding members of the University of Sussex and was a Dean between 1965–85. He subsequently became a professor emeritus. Prior to his death the building housing much of Life Sciences at Sussex was renamed the John Maynard Smith Building, in his honour.
In 1973 Maynard Smith formalised a central concept in evolutionary game theory called the evolutionarily stable strategy (ESS), based on a verbal argument by George R. Price. This area of research culminated in his 1982 book Evolution and the Theory of Games. The Hawk-Dove game is arguably his single most influential game theoretical model.
Maynard Smith published a book entitled The Evolution of Sex which explored in mathematical terms, the notion of the "two-fold cost of sex". During the late 1980s he also became interested in the other major evolutionary transitions with the biochemist Eörs Szathmáry. Together they wrote an influential 1995 book The Major Transitions in Evolution, a seminal work which continues to contribute to ongoing issues in evolutionary biology. A popular science version of the book, entitled The Origins of Life: From the birth of life to the origin of language was published in 1999.
In 1991 he was awarded the Balzan Prize for Genetics and Evolution "For his powerful analysis of evolutionary theory and of the role of sexual reproduction as a critical factor in evolution and in the survival of species; for his mathematical models applying the theory of games to evolutionary problems" (motivation of the Balzan General Prize Committee). In 1995 he was awarded the Linnean Medal by The Linnean Society and in 1999 he was awarded the Crafoord Prize jointly with Ernst Mayr and George C. Williams. In 2001 he was awarded the Kyoto Prize.
His final book, Animal Signals, co-authored with David Harper was published in 2003 on signalling theory.
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