National Museum of Nuclear Science & History
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Francis R. Shonka (1906-1970) was an American physicist and inventor. Shonka taught physics for a number of years in China and at St.
Antonio Quintana was a staff worker at Los Alamos during the Manhattan Project.
Mary E. Parrish was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
