National Museum of Nuclear Science & History
Richard Pershing served in the Army at Los Alamos during the Manhattan Project.
McCall worked in the 100 F Area at Hanford during the Manhattan Project.
B. T. McCune worked for the United States Engineer District Office.
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.
