National Museum of Nuclear Science & History
Shepard worked at the 200 West Area at Hanford during the Manhattan Project.
Orval Whan served in the 603rd Air Engineering Squadron.
Gavin Hadden was an American civil engineer who served as special assistant to General Leslie R. Groves during the Manhattan Project.
William T. Kelley was drafted in 1942 into the Army and was assigned to the Corps of Engineers’ Manhattan District as part of the counterintelligence element of the project.
