National Museum of Nuclear Science & History
Joseph Vollmer served in the army at Los Alamos during the Manhattan Project.
J. G. Pettis worked for the Roane-Anderson Company.
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.
