National Museum of Nuclear Science & History
Barney J. O’Keefe served in the military as an ensign during the war. He was a member of Project Alberta, the team that transported and assembled the two atomic bombs preceeding the August 1945 bombing missions on Hiroshima and Nagasaki.
Rachel “Rae” Erlanger worked on the Manhattan Project for the Kellex Corporation. She grew up in New York City.
Harder worked at the 300 Area at Hanford during the Manhattan Project.