National Museum of Nuclear Science & History
Stewart worked for Stone and Webster Engineering Corporation.
Gilbert Mathis was an electrical engineer at Los Alamos from 1943 to 1946. He was recruited for the Manhattan Project as a member of the US Army Signal Corps.
W. T. Dempster worked for the Roane-Anderson Company.
Hans von Halban (1908-1964) was an Austrian physicist. Being of Jewish descent, Halban left Austria in 1935 to avoid persecution by the Nazi regime.
