National Museum of Nuclear Science & History
H. R. Kroegar worked for the Tennessee Eastman Corporation at the Y-12 Plant.
H. B. Malter worked for the Edenfield Electric Company.
James H. Hanson served in the 603rd Air Engineering Squadron.
John DoLong was a guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Carmack worked at the 200 West Area at Hanford during the Manhattan Project.