Annie Jump Cannon
Cannon, Annie Jump
Born Dec. 11, 1863, in Dover, Del.; died Apr. 13, 1941, in Cambridge, Mass. American astronomer.
Cannon graduated from Wellesley College in 1884. From 1897 to 1941 she was on the staff of the Harvard Observatory. Cannon, together with E. Pickering, published (1918–24) a voluminous work that contained a classification of the spectra of 225,330 stars.