B. R. Longwell

Pearl V. Olsen

Pearl Olsen worked for the United States Engineer District Office.

E. A. Dougherty

Josef Novak

Josef Novak worked in the shop at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

T. O. Searles

T. O. Searles worked for the Midwest Piping and Supply Company.