Frank C. Kainz

Rudolf Peierls

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.

Robert Bacher

Robert Bacher (1905-2004) was an American nuclear physicist. Born in Ohio, he received his bachelor’s and doctorate in physics from the University of Michigan.

George Hackbarth

Gertrude F. Steel

Gertrude Steel was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.