Urpo Koskela

Edward A. Smith, Jr.

Edward Smith was a chemical engineer employed by the civilian contractor Eastman Kodak at the K-25 Plant in Oak Ridge, Tennessee.

Harold F. Koch

Harold Koch was an electrical engineer at Oak Ridge, Tennessee during the Manhattan Project. 

J. R. Hatfield

J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.

W.M. Scott