K. E. Smith

Arnold “Ace” Grubbe

Arnold Grubbe (1904-2002) was an engineer working for the civilian contractor Crane Company in Oak Ridge, Tennessee.

C. P. Johnson

C. P. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.

J.B. Hughes

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

G. E. Bubb