National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) 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.
Keenan worked for Stone and Webster Engingeering Corporation.
R. F. Conkling worked for the J.A. Jones Construction Company.