David E.K. Ryan

G. A. Nenstiel

G. A. Nenstiel worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Joseph H. Heartberg

Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Hyman Rudoff

Hyman Rudoff (1912-2006) was a Canadian-American chemist. Rudoff was born in Montreal. He received a B.

T.G. Stanfield