National Museum of Nuclear Science & History
E. A. Kehtel worked for the J.A. Jones Construction Company.
Edwin Roberts Russell (1913-1996) was an African American chemist who worked on the Manhattan Project at the University of Chicago’s Metallurgical Laboratory.
Melvin A. Miller was a draftsman at the University of Chicago Met Lab. In 1946, he sketched two famous drawings of Chicago Pile-1 based on the descriptions of scientists who were present when it went critical.