National Museum of Nuclear Science & History
W. G. Butler worked for the J.A. Jones Construction Company.
Albert L. Evand was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. Cooper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
B. Roswell Russell worked at the Metallurgical Laboratory in Chicago during the Manhattan Project. He was one of seventy signers of the Szilard Petition.
