2018 marks 200th anniversary of influential missionary’s birth William Butler (1818–1899) and his wife Clementina Rowe Butler (1820–1913) were the best-known Methodist missionary couple in the late 19th century. This year marks the 200th anniversary of William Butler’s birth. As an adult, he had a longing for God. In 1842 he learned that an American preacher was speaking at a…