H. G. O. Winsor

Leo P. Hassen

Leo P. Hassen was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Patricia Sander Barylski

W. E. Shedden

W. E. Shedden worked for the Tennessee Eastman Corporation at the Y-12 Plant.

O. R. Coglizer