National Museum of Nuclear Science & History
O. E. Brueggeman worked for the J.A. Jones Construction Company.
Hill worked at the 300 Area at Hanford during the Manhattan Project.
Ken Pumphrey joined the Manhattan Project at Los Alamos in 1946, where he worked as a security guard until 1948.
Jose R. Valdez was a staff worker at Los Alamos during the Manhattan Project.
R. B. Cathie worked for the Roane-Anderson Company.