National Museum of Nuclear Science & History
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
Eugene S. Grennan served as a 2nd lieutenant in the 509th Composite Group. He was the flight engineer on the Straight Flush during the Hiroshima mission.
R. W. Rankin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
