Harold Jeffreys
Sir Harold Jeffreys, FRS was a British geophysicist who made significant contributions to mathematics and statistics. His book, Theory of Probability, which was first published in 1939, played an important role in the revival of the objective Bayesian view of probability.
22 April 1891
Born on the same birth date (22 April 1891): Laura Gilpin • Sacco and Vanzetti • Vittorio Jano
Born on the same birth day (22 April): Bhama Srinivasan • Carl Lindner Jr. • Charles Mingus • Ellen Glasgow • Estelle Harris • Georg Lurich • Giuseppe Torelli • Jancis Robinson • Kaneto Shindo • Kathleen Ferrier • Laurel Aitken • Lewis Powell (conspirator) • Louise Glück • Otto Rank • Pierre Hétu • Richard Glücks • Spencer Haywood • Vittorio Jano • Yehudi Menuhin • Zoltán Gera
Born in the same month (April 1891): Arnold Jackson (British Army officer) • B. R. Ambedkar • Dave Bancroft • Dorothy P. Lathrop • Edward Wilfred Taylor • Frank Barson • Françoise Rosay • George Adamski • Jack Buchanan • Laura Gilpin • Laura Vicuña • Maurice Buckley • Max Ernst • Nella Larsen • Ole Kirk Christiansen • Robert Scholl • Sacco and Vanzetti • Sergei Prokofiev • Tristão de Bragança Cunha • Vittorio Jano