Ronald+Fisher

Ronald Fisher was born on February 17,1890 and died on July 19,1962. As a student Fisher was advanced in mathematics and astronomy and excelled at Harrow, winning the Neeld Medal. He studied the //Theory of Errors// which led him to investigate statistical problems and how genes determine different traits were applicable across other sciences, and explained how continuous variation could be explained if the traits of interest were affected by many genes with largely independent variables. As a statician and geneticist Fisher advanced the practical applications of statistics and also introduced the method of maximum likelihood. In 1930 Fisher published //The Genetical Theory of Natural Selection// which completed the fusion of Darwinian natural selection. Fisher also came up with the genetical theory that population size can speed up evolution.Fisher is best known for his contributions to the understanding of Darwin's theory of natural selection and his introduction of the concept of parental expenditure. Wprhat he explained is how genetics can change or mutate too adapt to the surroundings, and gain traits that helped animals survive.

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