National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Attended Brooklyn Polytechnic Institute.
James Gordon was an electrical engineer working as a civilian contractor for the DuPont Company at the Hanford, Washington site for the Manhattan Project.
A. M. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Frei worked for Stone and Webster Engineering Corporation.