Virgil I. Mann

Clark E. Center

Clark Center was a Manhattan Project veteran, who was the general superintendent and later President of the Union Carbide Nuclear Division in Oak Ridge.

J. A. Drake

J. A. Drake worked for the J.A. Jones Construction Company.

Loren R. Bourg

D.M. Ellett

​D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.