National Museum of Nuclear Science & History
J. B. Mullins worked for the J.A. Jones Construction Company.
Kay Tracy was Arthur Compton’s secretary at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Malcolm E. Matthews served in the 1027th Air Material Squadron.
Grafton worked in the United States Engineer District Office.
