Dean W. McKee

P. G. Kinken

P. G. Kinken worked for the United States Engineer District Office.

Walter M. Longfelt

Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. M. Gerking

Charles T. Groswith

Groswith worked at the 200 West Area at Hanford during the Manhattan Project.