Albert L. Falks

Leon Leventhal

Leon Leventhal was a nuclear chemist and radiation expert who worked at Oak Ridge, the University of Chicago’s Met Lab, and Los Alamos Laboratory during the Manhattan Project.

Harry R. Haney

Walter J. Grundhauser

Walter J. Grundhauser was a research assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Richard Gaul

Richard Gaul was fresh out of high school when he arrived in Los Alamos.  He was a member of the Provisional Engineer Detachment (PED).