National Museum of Nuclear Science & History
Hoff worked at the 300 Area at Hanford 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.
Coogler worked at the Oak Ridge project site during the Manhattan Project as a member of the U.S. Army Corps of Engineers.
K. M. Fatley worked for the J.A. Jones Construction Company.
