National Museum of Nuclear Science & History
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
John William Starner joined the Manhattan Project in December 1943 as a member of the Special Engineer Detachement at Los Alamos.
Moyer worked for Stone and Webster Engineering Corporation.
Dunnigan worked at the 300 Area at Hanford during the Manhattan Project.