National Museum of Nuclear Science & History
John Arthur "Jack" Robinson was a machinist and instrument maker at the Clinton Engineering Works in Oak Ridge, Tennesse in 1943.
Katherine “Pat” (Patterson) Krikorian arrived at Los Alamos in August of 1943, where she worked as a secretary for the Women’s Army Corps.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.