National Museum of Nuclear Science & History
H. F. Zimmerman worked for the J.A. Jones Construction Company.
Campbell worked at the 200 East Area at Hanford during the Manhattan Project.
H. W. Caldwell worked for the Edenfield Electric Company.
Albert Thompson was a military doctor stationed at Oak Ridge, Tennessee in 1945. Thompson had served in the European Theatre of the war prior to going to Oak Ridge.
