John Greenleaf Whittier

John Greenleaf Whittier (December 17, 1807 – September 7, 1892) was an American poet. He was from Haverhill, Massachusetts and was a Quaker. Like many Quakers, Whittier believed that slavery was wrong. Whittier was active in the movement to end American slavery, and was a member of the anti-slavery Liberty Party. 
Literary works.
Many of his poems are about slavery. During the American Civil War, Whittier wrote a poem called "Barbara Frietchie". Later in life, Whittier wrote a poem called "Snowbound". Whittier was one of the people who founded "The Atlantic Monthly". The city of Whittier, California was named for Whittier when he was still living, and the town of Whittier, Alaska is also named for him.