J. P. Grizzell

Norma J. Hinton

Norma J. Hinton was a laboratory technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

G. F. Dixon

Frank H. Case, Jr.

Frank Case, Jr. worked for the Roane-Anderson Company.

Samuel Allan Kline

Samuel Allan Kline was a student majoring in physics at the University of Chicago before going to Los Alamos to work as a physicist.