National Museum of Nuclear Science & History
D. P. Hall worked for the J.A. Jones Construction Company.
Attended the University of Nebraska.
Celia Szapka Klemski was working as a secretary for the State Department in Washington, DC when she was transferred to Manhattan to work on the Manhattan Project in 1942.
Attended Lehigh University.
Joseph Hirschfelder was an American physicist. He held doctorates in physics and chemistry from Princeton University.