National Museum of Nuclear Science & History
C. W. Robert worked for the H. K. Ferguson Company.
P. M. Putnam worked for the J.A. Jones Construction 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.
R. G. Cooper worked for the Union Carbide & Carbon Corporation.