National Museum of Nuclear Science & History
Dorothy Isgett was a civilian worker at Oak Ridge Tennessee from 1943 to 1946.
John Black worked for the J.A. Jones Construction Company.
Hymer Friedell was the deputy medical director of the Manhattan Engineer District at Oak Ridge. He worked closely with Robert Stone and Stafford Warren in studying the effects of radiation on the human body.
Sievers worked at the 300 Area at Hanford during the Manhattan Project.
