National Museum of Nuclear Science & History
Hugh Long worked for the Edenfield Electric Company.
Herman Croft, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Richard Gaul was fresh out of high school when he arrived in Los Alamos. He was a member of the Provisional Engineer Detachment (PED).
Elmer began working with the Manhattan Project in 1941. He was one of the first people to arrive at Oak Ridge and experienced first-hand some of the difficulties there with cyclotrons and isotope separation.