National Museum of Nuclear Science & History
J. H. Sievers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Sturm (1918-1999) was an American physicist. William Sturm was a graduate student at the University of Chicago when he was recruited to the Manhattan Project.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.
Blalock worked for Stone and Webster Engineering Corporation.