National Museum of Nuclear Science & History
Thomas S. Grennan served as a 2nd lieutenant in the 393rd Bombardment Squadron.
McMillan worked in the 100 F Area at Hanford during the Manhattan Project.
D. T. Witt worked for the Roane-Anderson Company.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
