National Museum of Nuclear Science & History
R. H. Martin worked for the United States Engineer District Office.
Attended the Cooper Union for the Advancement of Science and Art.
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.