Frank A. Alexander

J. E. Westcott

J. E. Westcott worked for the United States Engineer District Office.

Arthur R. Weisberg

Arthur Weisberg was a mechanical engineer with the Special Engineer Detachment assigned to the Metallurgical Lab at the University of Chicago.

George Francis McEwen

​George Francis McEwen was born on June 16, 1882 in Manchester, Iowa. He attended Iowa State College.

Ben J. De Corso