National Museum of Nuclear Science & History
Philip C. Leahy was a Major in the United States Army. During World War II, he was placed in charge of establishing a domestic uranium procurement program for the Manhattan Project.
Delos Van Dine was a staff worker at Los Alamos during the Manhattan Project.
Marion Mandel was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Paul Jones worked for the J.A. Jones Construction Company.
