National Museum of Nuclear Science & History
Harold W. Cottrill served in the 1027th Air Material Squadron.
Robert R. Williamson was a laboratory assistant and computer at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
After receiving his bachelor’s degree in Aeronautical Engineering from New York University, Hal Behl registered with the National Roster of Scientific and Specialized Personnel and was drafted into the Army.
Cronholm worked at the 100-F Area at Hanford during the Manhattan Project.