Fisher, Ronald Aylmer
The Englishman Ronald Aylmer Fisher (1890 - 1962), son to an auctioneer, was a mathematician, statistician, biologist, and geneticist.
He started working as a statistician, and teaching physics and mathematics. Later he became a researcher analyzing his results with statistical methods. He also worked on information theory.
He popularized the method of maximum likelihood and the chi-squared test, which had already been introduced by Johann Carl Friedrich Gauss in 1823.
He lent his name to, among others, Fisher information and the Fisher z-distribution.
See also
Last modified:10 January 2026 1.15 p.m.