National Museum of Nuclear Science & History
Cass worked for Stone and Webster Engineering Corporation.
Daniel Stern worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Richard Renner arrived in Los Alamos shortly after being drafted into the Special Engineer Detachment in 1945, after the war had ended.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.
