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.
R. K. Rouse worked for the Poe Piping & Heating Company.
Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Pfeiff worked in the 200 West Area at Hanford during the Manhattan Project.