1827 – Born on the 16th of November in Cambridge, Massachusetts.
1864 – He edited the North American Review, in association with James Russell Lowell.
1874 – He organized exhibitions of the drawings of Turner.
1875 – He was appointed professor of the history of art at Harvard.
1891 – He worked tirelessly as secretary to the Loyal Publication Society during the Civil War.
1908 – He died on the 21st of October.