National Museum of Nuclear Science & History
Cummins worked for Stone and Webster Engineering Corporation.
Mary Fair worked as a lab assistant at the Metallurgical Lab at the University of Chicago. She was not sure of the purpose of her work, but often used radiation detecting devices in the experiments.
Clarence W. Hartman served in the 393rd Bombardment Squadron.
Norma J. Hinton was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended the Ohio State University.