text: Sir Ronald Aylmer Fisher FRS ( 17 February 1890 â `` 29 July 1962 ) was an English statistician , evolutionary biologist , eugenicist and geneticist .
simplified: Sir Ronald Aylmer Fisher FRS ( 17 February 1890 â `` 29 July 1962 ) was an English statistician , evolutionary biologist , and geneticist .