National Museum of Nuclear Science & History
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.
L. C. Hafer worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Emma Tolmach was a technician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Joseph Murray was a staff worker at Los Alamos during the Manhattan Project.
