Lester R. Barton

R. A. Coster

R. A. Coster worked for the Union Carbide & Carbon Corporation.

Margaret Brown

Margaret Brown was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Leo A. Ohlinger

Leo A. Ohlinger was a senior engineer at the University of Chicago Met Lab. Ohlinger was also Section Chief of P-IX, Engineering Physics.

Charles L. Brown