National Museum of Nuclear Science & History
Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Attended Purdue University.
Elsie (Blumer) McMillan lived at Los Alamos during the Manhattan Project. Her husband, Edwin McMillan, was a physicist who worked on implosion at Los Alamos.
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.
