Ellen Hayes

Ellen Hayes
Ellen Amanda Hayes, from a 1915 publication
Born	(1851-09-23)September 23, 1851 Granville, Ohio, US
Died	October 27, 1930(1930-10-27) (aged 79) Wellesley, Massachusetts, US
Nationality	American
Alma mater	Oberlin College
Scientific career
Fields	Mathematics Astronomy
Institutions	Adrian College Wellesley College University of Virginia

Ellen Amanda Hayes (September 23, 1851 – October 27, 1930) was an American mathematician and astronomer. She was a controversial figure, not only because of being a female college professor, but also for embracing many radical causes.