National Museum of Nuclear Science & History
K. M. Whitlesy worked for the United States Engineer District Office.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
Mary Elizabeth Barnes was a radiochemist working in the Y-12 Plant in Oak Ridge, Tennessee from 1946 to 1952.
