National Museum of Nuclear Science & History
Richard Smith worked for the United States Engineer District Office.
Harold Smith served in the Army at Los Alamos during the Manhattan Project.
Helgeson worked at the 300 Area at Hanford during the Manhattan Project.
Max Friedman was an American physicist. One of J. Robert Oppenheimer‘s bright young pupils at the University of California, Berkeley during the 1930s, Friedman’s career as a physicist was derailed by his leftist politics.
Cleo Wangsness was a staff worker at Los Alamos during the Manhattan Project.
