National Museum of Nuclear Science & History
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.
Jasper Brown Jeffries was an American physicist. Jeffries was born in Winston-Salem, North Carolina, on April 15, 1912.
John Butler worked for the H. K. Ferguson Company.
