National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
Betty Lou Runyan was a staff worker at Los Alamos during the Manhattan Project.
Stephen Lawroski was an American chemical engineer who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory from 1944-1946.
Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.