Richard H. Harrison

Lawrence O’Rourke

Lawrence S. O’Rourke began working on the Manhattan Project at Columbia University after he was called up from the Army Reserves in 1943.

W. G. Rigby

Hans Halban

Hans von Halban (1908-1964) was an Austrian born French physicist. He finished his studies in 1934.  He joined nuclear physicist Niels Bohr in Copenhagen, where he and Otto Frisch discovered that heavy water had very little neutron absorption compared to normal water.

G. G. Underwood

G. G. Underwood worked for the Tennessee Eastman Corporation at the Y-12 Plant.