National Museum of Nuclear Science & History
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.
Juan Sanchez was a staff worker at Los Alamos during the Manhattan Project.
Robert S. Coles was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
