Background
He was the son of Thomas Sadler, unitarian minister of Horsham in Sussex, and was born there on 5 July 1822.
He was the son of Thomas Sadler, unitarian minister of Horsham in Sussex, and was born there on 5 July 1822.
He was educated at University College, London, studied for some months in Bonn, and went on to the University of Erlangen, whence he graduated Doctor of Philosophy in 1844.
He entered the Unitarian ministry at Hackney, but migrated in 1846 to become minister of Rosslyn Hill Chapel in Hampstead, London, where he stayed for the remaining 45 years of his life. Through Sadler"s efforts, a new chapel on Rosslyn Hill was opened on 5 June 1862. He died at Rosslyn Manse on 11 September 1891, and was buried on the 16th in Highgate cemetery.
At the time of his death he was the senior trustee of Doctor Williams"s Library, and visitor of Manchester New College.
Sadler married, in 1849, Mary, daughter of Charles Colgate, but left no issue.