National Museum of Nuclear Science & History
Joseph Ryan was a staff worker at Los Alamos during the Manhattan Project.
Stirling Auchincloss Colgate was a student at the Los Alamos Ranch School when the site was chosen for use in the Manhattan Project, and he describes the visits of J.
L. L. Larson worked for Clinton Laboratories at the X-10 Reactor.
Harrah worked at the 300 Area at Hanford during the Manhattan Project.