National Museum of Nuclear Science & History
W. H. Jennens worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. Petterson worked for the United States Engineer District Office.
Robert Lee Walker was an American physicist. Walker was born in 1919 in Saint Louis. He received a B.
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.