National Museum of Nuclear Science & History
C. K. Bresett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John W. Calkin graduated from Columbia University in 1933. He then earned a Ph.D. in mathematics from Harvard.
Frank Mason worked for the United States Engineer District Office.
Helen Atchley worked at the Y-12 Plant during the Manhattan Project. She and her best friend, Dorothy Stinnett, are both pictured in Ed Westcott’s famous photograph of people going to work in the Y-12 Plant.
