National Museum of Nuclear Science & History
Sayers worked for Stone and Webster Engineering Corporation.
J. W. Williams worked for the Roane-Anderson Company.
George A. Weller served as a corporal in the 393rd Bombardment Squadron. He was the regularly assigned radar operator for the Big Stink, and he and his crew were later reassigned to Luke the Spook.
Marietta C. Moore was a technician in the Health Division at the University of Chicago Met Lab. She signed the Szilard petition.