H. Countryman

Theodore Petry

Theodore Petry (1924-2018) was a laboratory helper at the Chicago Met Lab. He was recruited while still in high school.

E. Suttles

Suttles was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.

Edwin Stolz

H. E. Coppenbarger

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