John E. Phipps

Harold Fidler

Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.

Martha G. Johnson

Martha G. Johnson was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Ramon Charleville

Duval Stoaks

Duval Stoaks worked for the Tennessee Eastman Corporation at the Y-12 Plant.