National Museum of Nuclear Science & History
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
Roald Wangsness was a staff worker at Los Alamos during the Manhattan Project.
Robert H. Dunlap was the director of Group CM-1 in the Chemistry and Metallurgy Division at Los Alamos during the Manhattan Project.
