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Ellen Hayes | |
|---|---|
 Ellen Amanda Hayes, from a 1915 publication | |
| Born | September 23, 1851 |
| Died | October 27, 1930 (aged 79) |
| 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.