
American mathematician (1906–1980)
Rush University Medical Center, Illinois
Ruth Mason Ballard (* 24. April 1906 in Chicago; † 7. June 1980 in Rush University Medical Center) was an american mathematician. She was 74 years old. Her education included University of Chicago and Wellesley College. She worked at Hood College, University of Illinois Urbana–Champaign, Wilbur Wright College, Illinois Institute of Technology and University of Illinois at Chicago Circle. Her faith was Episcopal Church.