National Museum of Nuclear Science & History
Engel worked in the United States Engineer District Office.
Sir Rudolf Peierls (1907-1995) was a German-born British physicist. In March 1940, Peierls and fellow collegue Otto Frisch co-authored the Frisch-Peierls memorandum, the first technical exposition of a practical atomic weapon.
Bellande worked at the 200 West Area at Hanford during the Manhattan Project.
