H. H. Mason

Elsie M. Freeman

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.

Raymond K. Kilmer

George L. Williams

George Williams was a staff worker at Los Alamos during the Manhattan Project.

John F. Curtin

Curtin worked in the United States Engineer District Office.