I. D. Hartman

Elvin L. Krieble

Elvin Krieble worked for the United States Engineer District Office.

Kenneth S. Cole

Kenneth Stewart Cole was a Principal Biophysicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

H. L. Roland

H. L. Roland worked for the Midwest Piping and Supply Company.

H. C. Gilmore