Arpad Elo

Arpad Emmerich Elo was a Hungarian-American physics professor who created the Elo rating system for two-player games such as chess.

25 August 1903

Born on the same birth day (25 August): Althea Gibson • August 25 • Charles Richet • Debbie Graham • Isobel Hogg Kerr Beattie • Ludwig I of Bavaria • Nicholas A. Peppas • Rijkman Groenink • Takeshi Okada • Álvaro Mutis

Born in the same month (August 1903): Arthur Godfrey • Bhagwati Charan Verma • Bruno Bettelheim • James Gould Cozzens • Jerry Iger • Karl Hanke • Kostas Giannidis • Louis Leakey • Lucienne Boyer • Paul Horgan • Vladimir Jankélévitch