T. D. Gibbs

A. V. Peterson

A. V. Peterson worked for the United States Engineer District Office.

E. R. Spangler

E. R. Spangler worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Robert Van Gemert

Robert van Gemert worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.

Henry J. Doyle