National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
S. D. Tatalovich worked for the United States Engineer District Office.
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.
Phyllis O. Levy worked as a mathematician and “computer” at Oak Ridge during the Manhattan Project.