Charles W. J. Wende

Arthur “Pete” V. Peterson

Colonel Arthur “Pete” V. Peterson was the Army’s area engineer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

I. K. Harris

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

Kathleen M. Clark

Frank Osvath

Frank Osvath was a staff worker at Los Alamos during the Manhattan Project.