National Museum of Nuclear Science & History
John Shoemaker was a staff worker at Los Alamos during the Manhattan Project.
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
J. H. Leebens worked for the J.A. Jones Construction Company.
Christiansen worked at the 200 West Area at Hanford during the Manhattan Project.