National Museum of Nuclear Science & History
K. A. Wright worked for the United States Engineer District Office.
John R. Kelleher served in the 1st Ordnance Squadron.
Ed Helfenberger worked for the Roane-Anderson Company.
Charles Allen Thomas (1900-1982) was an American chemist and industrial leader. Thomas was recruited to join the Manhattan Project in 1942 by General Groves, who offered him a postion as a deputy to Robert Oppenheimer, the director of the Los Alamos Laboratory in New Mexico.