William E. Liebeck

J. H. Dunker

Dunker worked at the 100-B Area at Hanford during the Manhattan Project. 

W. M. Brobeck

W. M. Brobeck worked for the Tennessee Eastman Corporation at the Y-12 Plant.

D. MacDonald

MacDonald was a member of the Instrument Section at the University of Chicago’s Metallurgical Laboratory.

Leo J. Mulligan