National Museum of Nuclear Science & History
Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Raymond Schwartz grew up in West Allis, WI. After graduating from high school, he worked as an apprentice machinist for Allis Chalmers Corporation, until enlisting in the Army in February 1943.
Martin Punis was a laboratory helper at the Chicago Met Lab during the Manhattan Project.
