National Museum of Nuclear Science & History
J. J. Donovan worked for the H. K. Ferguson Company.
Walter J. Bonczek served in the 393rd Bombardment Squadron.
Attended the University of Maryland.
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.
Margaret Rand was a research assistant in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.