John L. Martin Sr.

Francis L. Friedman

Francis L. Friedman was a theoretical physicist and group leader at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

G. A. MacDonald

MacDonald worked for Stone and Webster Engineering Corporation.

J. J. Whicher

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

J. T. Rogers