Herbert M. Okun

Herbert E. Kubitschek

Herbert E. Kubitschek (1920-1989) was an American biologist and physicist. He studied under Enrico Fermi at the University of Chicago and was present when Chicago Pile-1, the world’s first self-sustained nuclear chain reaction, went critical on December 2, 1942.

J. M. Holliday

J. M. Holliday worked for the J.A. Jones Construction Company.

E. E. Murphy

Donald Engelkemeior

Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.