Paul C. Schmidtke

W.G. Chmielewski

W. G. Chmielewski was a carpenter at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

E. W. Montgomery

E. W. Montgomery worked for the United States Engineer District Office.

Harold R. Hadley

Albert D. Ferrer

Attended Cooper Union for the Advancement of Science and Art.