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): Frank Springer • Gary Goodman • Hasan al-Askari • Judd Apatow • Karl Ove Knausgård • Kenneth Copeland • Princess Sofia, Duchess of Värmland • R. P. Singh • Warren Hastings • Will Hay

Born in the same month (December 1907): Avraham Stern • Barbara Kent • Cab Calloway • Connee Boswell • Conrad L. Raiford • Fred Rose (politician) • Glenn McCarthy • Gordon Douglas (director) • James Roosevelt • Jimmy McLarnin • Lawrence Lucie • Lin Biao • Mary Howard (novelist) • Mike Mazurki • Oscar Niemeyer • Paul Francis Webster • Roy Douglas • Rumer Godden • Ze'ev Ben-Haim