National Museum of Nuclear Science & History
R. T. Arends worked for the Roane-Anderson Company.
George Placzek was a Czech physicist. He was born in Brno, Moravia, which was then part of Austria-Hungary but today is in the Czech Republic.
K. C. Newnam worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jim D. Howard served in the 393rd Bombardment Squadron.