John Ingram

R. R. Wischmeyer

R. R. Wischmeyer worked for the Midwest Piping and Supply Company.

Eugene Reybold

Eugene Reybold (1884-1961) was a Lieutenant General and Chief of Engineers in the US Army. He was involved in the early stages of the Manhattan Project.

William L. Temple

William Temple worked for the United States Engineer District Office.

Donald Remen