Roy Schroeder

W. F. Johnson

W. F. Johnson worked for the J.A. Jones Construction Company.

F. R. Creedon

Creedon worked for Stone and Webster Engineering Corporation.

Winifred T. Koziolek

Winifred T. Koziolek was a laboratory technician the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

James M. Brady