J. L. Dreher

H. E. Donachy

H. E. Donachy worked for the Edenfield Electric Company.

Dwight Smith Young

Dwight Young (1892-1975) was a professional photographer working at a box factory when he heard about an opening at the University of Chicago’s Metallurgical Laboratory.

E. E. Jones

Jones workd for Stone and Webster Engineering Corporation.

Ervin J. Wyskochil