J. A. Metcalf

S. W. Williamson

Williamson worked at the 300 Area at Hanford during the Manhattan Project. 

Martha G. Johnson

Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Donald A. Franke

Franke worked in the United States Engineer District Office.

W.E. Redmon