National Museum of Nuclear Science & History
Harriet Peterson was a nurse at Los Alamos during the Manhattan Project.
George Moulton was an American chemical metallurgist. After receiving his bachelor’s degree in chemistry from Drury College, he began conducting research on radioactive metals at Iowa State.
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.
R. E. Bumgargner worked for the J.A. Jones Construction Company.