National Museum of Nuclear Science & History
Trumper worked for Stone and Webster Engineering Corporation.
C. F. Chambers served in the 390th Air Service Group.
George W. Marquardt served as a captain in the 393rd Bombardment Squadron. Although he was regularly assigned to the Up An’ Atom, he flew in the mission to bomb Hiroshima as the aircraft commander of the Necessary Evil.
Carl Schavone was a member of the Military Police at Los Alamos as part of Post Security. After the war, he married Marguerite Schofield and lived in Marlboro, Massachusetts for nearly fifty years.