National Museum of Nuclear Science & History
A. H. Dahl worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Beatrice Foreman was a laboratory technician in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
Hebert worked at the 300 Area at Hanford during the Manhattan Project.