National Museum of Nuclear Science & History
Ira Carpenter worked for the Edenfield Electric Company.
Louis Y. Cortez served in the 1st Ordnance Squadron.
Walter Groeger worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William R. Compronio served as a corporal in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Some Punkins.
Philipp Klein was a part-time switchboard operator in the SAM Lab while studying chemical engineering at Columbia University.
