John Maynard Smith book The Theory of Evolution
Source: The Theory of Evolution (1958), p. xvi.
John Maynard Smith was a British theoretical and mathematical 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 with George R. Price, and theorised on other problems such as the evolution of sex and signalling theory. Wikipedia

John Maynard Smith book The Theory of Evolution
Source: The Theory of Evolution (1958), p. xvi.
John Maynard Smith book Evolution and the Theory of Games
Source: Evolution and the Theory of Games (1973), p. 1-2.
John Maynard Smith (1988) Games, sex and evolution. p. 249.
John Maynard Smith book Evolution and the Theory of Games
Source: Evolution and the Theory of Games (1973), p. 2.
John Maynard Smith book Evolution and the Theory of Games
Source: Evolution and the Theory of Games (1973), p. vii.
John Maynard Smith book Evolution and the Theory of Games
Source: Evolution and the Theory of Games (1973), p. vii.
John Maynard Smith book Evolution and the Theory of Games
Source: Evolution and the Theory of Games (1973), p. 1.
(1976) Group Selection. Quarterly Review of Biology 51, 277-283.
John Maynard Smith book The Theory of Evolution
Source: The Theory of Evolution (1958), p. xv.

