Walter Schlessel

H. Pfutzenreuter

R. P. Ellis

R. P. Ellis worked for the Union Carbide & Carbon Corporation.

R. A. Thompson

R. A. Thompson worked for Hanley & Company.

Jasper B. Jeffries

Jasper Brown Jeffries was an American physicist. Jeffries was born in Winston-Salem, North Carolina, on April 15, 1912.