K. L. Mallory

W. A. Welch

John A. Robinson

John Arthur "Jack" Robinson was a machinist and instrument maker at the Clinton Engineering Works in Oak Ridge, Tennesse in 1943.

J. W. Stein

J. W. Stein worked for the Union Carbide & Carbon Corporation.

Charles V. Youmans

Charles Youmans worked for the Tennessee Eastman Corporation at the Y-12 Plant.