G. J. Baird

V. N. Boatman

V. N. Boatman worked for the J.A. Jones Construction Company.

E. Suttles

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

James B. Williams

C. H. Everett

C. H. Everett worked for the Comstock-Bryant Electric Company.