National Museum of Nuclear Science & History
Charles Rupchock (1923-2000) was a staff worker at Los Alamos during the Manhattan Project.
Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.
D. D. Drake worked at the 300 Area at Hanford during the Manhattan Project.
N. F. Hanke worked for Clinton Laboratories at the X-10 Reactor.