National Museum of Nuclear Science & History
C. C. Sperling worked for the Edenfield Electric Company.
John D. Watson was an American civil engineer. In 1942, he joined the J.A. Jones Construction Company.
Secundino Roybal was a staff worker at Los Alamos during the Manhattan Project.
Anthony J. Okleshen worked in the shop at the University of Chicago’s Metallurgical Laboratory.
