National Museum of Nuclear Science & History
L. C. French served in the 390th Air Service Group.
Downs worked in the United States Engineer District Office.
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.
Brown worked in the United States Engineer District.
