National Museum of Nuclear Science & History
Bertrand worked in the United States Engineer District Office.
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.
Robert C. Smith served in the 393rd Bombardment Squadron.
Paul Baranowsky served in the Army group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
