National Museum of Nuclear Science & History
M. A. Ruth worked for the United States Engineer District Office.
Albert Pinchot served in the First Ordnance Squadron.
Harvey Slatin was an American physicist. Slatin was born in New York City. He studied chemical engineering at Cornell University prior to joining the U.
Gus Essig began working on the Manhattan Project in May, 1946 in Dayton, Ohio. Essig was selected to work in the highly classified initiator program and spent several months at Los Alamos learning how to design and construct initiators.
