National Museum of Nuclear Science & History
John Riddle was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Brown worked in the United States Engineer District Office.
Charles A. McKenny served in the 393rd Bombardment Squadron.
Sidney Robinson (d. 1972) worked on the Manhattan Project in Chicago. He was from New York City, and attended City College.
C. W. Russell worked for the J.A. Jones Construction Company.