National Museum of Nuclear Science & History
E. F. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
E. J. Swatba served in the 390th Air Service Group.
English worked at the 300 Area at Hanford during the Manhattan Project.
Clark worked for Stone and Webster Engineering Corporation.