John Haskell Hewitt (August 8, 1835 – October 8, 1920) was an American classical scholar and educator, notable for serving as acting president of Williams College from 1901 to 1902.Born in Preston, Connecticut to Charles Hewitt and Eunice (Witter), Hewitt entered Yale University in 1855, initially intending to study law. While at Yale he befriended Franklin Carter, a relationship that would prove beneficial in later years. After graduating with an A.B.