Olpha S. Clark

H. R. Chapman

H. R. Chapman worked for the H. K. Ferguson Company.

P. A. Edwards

Herbert G. “Mac” MacPherson

Herbert G. “Mac” MacPherson (1911-1993) was an American nuclear engineer. MacPherson’s expertise on graphite made him a valuable consultant for the Manhattan Project.

J. P. Valliant

J. P. Valliant worked for the Union Carbide & Carbon Corporation.