National Museum of Nuclear Science & History
Frank Vaughan was a research associate at the Chicago Met Lab during the Manhattan Project.
Dr. Margaret W. Neuman worked as a biochemist during the Manhattan Project at the University of Rochester.
Davis worked in the United States Engineer District Office.
Hans von Halban (1908-1964) was an Austrian born French physicist. He finished his studies in 1934. He joined nuclear physicist Niels Bohr in Copenhagen, where he and Otto Frisch discovered that heavy water had very little neutron absorption compared to normal water.
Lawrence Kimpton was the Chief Administrative Officer at the University of Chicago Metallurgical Lab, serving there from 1943 to 1945.