C. E. Collins

H. J. Weiland

H. J. Weiland worked for the Union Carbide & Carbon Corporation.

S. D. Tatalovich

S. D. Tatalovich worked for the United States Engineer District Office.

Harold B. Nilling

Harold B. Nilling was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Edwin C. Green