J. Barkley Rosser

John Barkley Rosser Sr. was an American logician, a student of Alonzo Church, and known for his part in the Church–Rosser theorem in lambda calculus. He also developed what is now called the "Rosser sieve" in number theory. He was part of the mathematics department at Cornell University from 1936 to 1963, chairing it several times. He was later director of the Army Mathematics Research Center at the University of Wisconsin–Madison and the first director of the Communications Research Division of IDA. Rosser also authored mathematical textbooks. ^{John Barkley Rosser Sr., American logician (d. 1989)}

6 December 1907

Born on the same birth day (6 December): Alberto Spencer • Aristeidis Grigoriadis • Arthur Henry Adams • Barbara Radziwiłł • Dion Fortune • Frédéric Bazille • Giannis Antetokounmpo • Ira Gershwin • Jim Fuchs • John Brunt • John S. Mosby • Lynn Fontanne • Milica Mandić • Randy Rhoads • Rudolf Schlichter • Sabrina Ionescu • Warren Bardsley • Wilhelm Rudolph Fittig

Born in the same month (December 1907): Albert Gore Sr. • Asaf Halet Çelebi • Avraham Stern • Barbara Kent • Bill Holland • James Roosevelt • Lawrence Lucie • Paul Francis Webster • Sebastian Haffner • Willem van Otterloo • Ze'ev Ben-Haim