National Museum of Nuclear Science & History
T. H. Samford worked for the J.A. Jones Construction Company.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
Calvin S. Shepherd worked on the Manhattan Project at Los Alamos, NM and the Trinity Site.
Barksdale worked for Stone and Webster Engineering Corporation.
L. W. Nordheim worked for Clinton Laboratories at the X-10 Reactor.
