James H. Bradley

W. A. Plumb

W. A. Plumb worked for the United States Engineer District Office.

Hugh M. Adams

Hugh Adams worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Paul J. Esterline

Paul J. Esterline was an engineer. He attended Ohio State University for two years, and then attended the Chicago Technical Institute in the late 1920s, learned engineering drafting there.

Robert J. Hemmerly