National Museum of Nuclear Science & History
John Flegal worked for the H. K. Ferguson Company.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Walter Bartky (1901-1958) was an American educator and mathematician. He did both his undergraduate and graduate studies at the University of Chicago.
C. E. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
