National Museum of Nuclear Science & History
Otto Frisch (1904-1979) was an Austrian-born physicist. Frisch joined the Manhattan Project in 1943, but his most important contribution to the project came in 1940 in England.
G. A. Nenstiel worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Bernard Peters (1910-1993,) born Bernhard Pietrokowski, was a Polish-born physicist. Peters was born in Poland and later moved to Germany.
Dreeszan worked in the United States Engineer District Office.