Frank E. Ortiz

Celeste Hand

Celeste Hand was a switchboard operator at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Keith Adamson

By Avani Sihra Keith Adamson was a colonel in the United States Army. He was an ordnance expert and a key military representative at the National Bureau of Standards.

Ellis A. Ryan

C. M. Cantrell

C. M. Cantrell worked for the Tennessee Eastman Corporation at the Y-12 Plant.