Question: What did the abolitionist that Philip Henson interacted with believe?
Sentence (from "Philip Henson"): During the course of his life and careers, Philip Henson would interact with such famous 19th century persons as abolitionist John Brown, Cherokee Chiefs John Ross a.k.a. Kooweskoowe and Stand Watie a.k.a. Degataga, Tennessee and Texas Governor Sam Houston, actor John Wilkes Booth, Confederate Postmaster General John Henninger Reagan, Confederate Secretary of State Judah Philip Benjamin, U.S. Congressman from Illinois Elihu Benjamin Washburne, Union General and Transcontinental Railroad executive Grenville Mellen Dodge, New York political boss William Marcy Tweed, Medal of Honor recipient First Lieutenant "Nineveh Shaw McKeen" (1837–1890), and the ancestors of 20th century Hollywood legend Cecil B. DeMille.
Relevant evidence: Yes