National Museum of Nuclear Science & History
O. E. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
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.
Majorie Bliss was a stenographer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Walker worked at the 100-F Area at Hanford during the Manhattan Project.