National Museum of Nuclear Science & History
Pearl Olsen worked for the United States Engineer District Office.
Jesse Kupferberg was a Technical Sargeant in the US Army who participated in Project Alberta, the group tasked with transporting and assembling the two atomic bombs in 1945.
Harold W. Cottrill served in the 1027th Air Material Squadron.
Arnold graduated from Northwestern University in 1941 with a B.S. degree in Biology and a minor in Chemistry.