National Museum of Nuclear Science & History
Thomas Velasquez was a staff worker at Los Alamos during the Manhattan Project.
H. G. Hoberg worked for the United States Engineer District Office.
J. M. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Leroy Hartmann (1922 – 1944) was an electrical engineer in the Special Engineer Detachment Manhattan District CE in Oak Ridge.
