Karl Paley Cohen workd within a group that included an American physicist who won the Nobel Price in Physics for his discovery of what?
Karl P. Cohen: Karl Paley Cohen (February 5, 1913 – April 6, 2012) was a physical chemist who became a mathematical physicist and helped usher in the age of nuclear energy and reactor development. Karl P. Cohen:  Cohen worked within the Columbia group of physicists that included Harold Urey, Enrico Fermi, Leo Szilard, Isidor Isaac Rabi, John R. Dunning, Eugene T. Booth, A. Von Gross and others)–all pioneers of nuclear energy.
i don't know