Annie Jump Cannon  was the eldest of three daughters of Wilson Cannon, a Delaware shipbuilder and state senator, and his second wife, Mary Jump. An American astronomer, her work at Harvard University of cataloging the stars was instrumental in the developing the current system of stellar classification. Having never married or borne children Annie died at 77 in Cambridge, MA. On the 151st celebration of her birth Google dedicated their search logo to her. (see Annie Cannon Image 2)
Annie Cannon was born in Dover Delaware, the first child of her father’s second marriage. Her mother taught her to recognize constellations as a child. Her mother created a kind of observatory in the attic of their home for Annie and her sisters.
She studied physics and astronomy at Wellesley College. For ten years after she graduated in 1884, she pursued astronomy as a hobby while living at home with her parents. By that time, she had become deaf, and though she eventually had some hearing with a hearing aid, she was for much of her life totally deaf.
After her mother died in 1894, she continued her studies at Wellesley, with professor Sarah Frances Whiting, and became especially interested in stellar spectroscopy, which helps to identify the elements in a star. In 1895, she went to study astronomy at Radcliffe College.
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