Charles Disney

Charles V. Youmans

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

H. W. Carnes

H. W. Carnes worked for the Union Carbide & Carbon Corporation.

Calvin H. Clifford

Andrew H. MacMahon

Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.