William R. Cain

R. W. McCullough

H. G. Singleton

H. G. Singleton worked for the Roane-Anderson Company.

R. F. Perkins

R. F. Perkins worked for the Union Carbide & Carbon Corporation.

Ernest O. Lawrence

Ernest O. Lawrence (1901-1958) was an American scientist and 1939 recipient of the Nobel Prize in Physics for his invention of the cyclotron.