National Museum of Nuclear Science & History
A. L. Crawford worked for the J.A. Jones Construction Company.
Charles Levy was a first lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group. He trained in Wendover, Utah, before leaving for Tinian Island.
Clement J. O’Hara served in the 1027th Air Material 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.
Marcia W. Wooster was a lab technician in the health division at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
