Gregory_Breit--William_K._Estes

Gregory Breit (Russian: Григорий Альфредович Брейт-Шнайдер, romanized: Grigory Alfredovich Breit-Shneider; July 14, 1899 – September 13, 1981) was a Russian-born American physicist. He was a professor at New York University (1929–1934), University of Wisconsin–Madison (1934–1947), Yale University (1947–1968), and University at Buffalo (1968–1973). In 1921, he was Paul Ehrenfest's assistant in Leiden University.