National Museum of Nuclear Science & History
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Walter Zinn (1906-2000) was a Canadian-American nuclear physicist. Zinn was born in Kitchener, Ontario, in 1906 and graduated from Queens University in 1927.
Shirley Nyden was a laboratory technician in the Chemistry Division at the University of Chicago Met Lab between June and December of 1944.
Attended Pennsylvania State University.