National Museum of Nuclear Science & History
Robert Parks worked for the United States Engineer District Office.
Harold Argo was a physicist. He worked at Los Alamos National Laboratory beginning in 1944. He was married to physicist Mary Argo.
Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
W. J. Cunningham worked for the Roane-Anderson Company.
