National Museum of Nuclear Science & History
Grover G. Cooper, Jr. served as a staff sergeant in the 393rd Bombardment Squadron.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.
Irving worked at the 300 Area at Hanford during the Manhattan Project.
Graham worked for Stone and Webster Engineering Corporation.
