National Museum of Nuclear Science & History
Ruska worked for Stone and Webster Engineering Corporation.
Calkins worked at the 200 West Area at Hanford during the Manhattan Project.
J. W. Dishner worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Dwight Shoemaker was a staff worker at Los Alamos during the Manhattan Project.
Morton David was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.