National Museum of Nuclear Science & History
C. J. Meyer worked for the Roane-Anderson Company.
Roswell Pooler served in the Army at Los Alamos during the Manhattan Project.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
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.