National Museum of Nuclear Science & History
Smiley worked at the 200 West Area at Hanford during the Manhattan Project.
William L. Strohecker (1900-1986) was a civil scientist working at Los Alamos during the Manhattan Project.
Belcher worked in the United States Engineer District Office.
Philip Cooperman was a member of the Special Engineer Detachment on the Manhattan Project from 1944-1946.
