National Museum of Nuclear Science & History
Paul Gerhard worked for the Kellex Corporation at the K-25 Plant.
Meyer Rothenberg served in the 603rd Air Engineering Squadron.
Raymond Lowrey worked at the Hanford, Washington site for the Manhattan Project from 1943 to 1948. Lowrey began his career in the Oklahoma Ordnance Works before moving to Hanford and settling in Richland, Washington after the war.
Ruth Hoffberg was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.