She became professor of astronomy at Vassar College in 1865, the first person (male or female) appointed to the faculty.She was also named as Director of the Vassar College Observatory.After teaching there for some time, she learned that despite her reputation and experience, her salary was less than that of many younger male professors. She insisted on a salary increase, and got it. She is also known for her famous quote, "We have a hunger of the mind. We ask for all of the knowledge around us and the more we get, the more we desire."
She was born on 1 August 1818.