Ronald Fisher — English Mathematician born on February 17, 1890, died on July 29, 1962
Sir Ronald Aylmer Fisher FRS, who published as R.A. Fisher, was an English statistician, and biologist, who used mathematics to combine Mendelian genetics and natural selection, helping to create a new Darwinist synthesis of evolution known as modern evolutionary synthesis, as well as a prominent eugenicist in the early part of his life... (wikipedia)