National Museum of Nuclear Science & History
Karl Johnson 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.
Attended Purdue University.
Haske worked at the 200 East Area at Hanford during the Manhattan Project.
