National Museum of Nuclear Science & History
Evelyn “Evie” Wilcox was a machinist at Los Alamos during the Manhattan Project. Prior to joining, she worked on airplanes in California for the war effort.
Jack Hefner joined the Manhattan Project at Oak Ridge in 1943. Hefner was a reactor engineer and helped supervise the construction of the X-10 Graphite Reactor.
Bryant worked in the United States Engineer District Office.