John Prior Estlin (1747–1817): Unitarian minister, at Lewin’s Mead Chapel, Bristol, and school master. Educated at the Warrington Academy, he moved to Bristol in 1771. Married Mary Coates (1753–1783) and, after her death, Susanna Bishop (d. 1842). He was on good terms with a number of writers, including Southey (whom he had taught briefly when he took over Mr Foot’s school, Bristol), Samuel Taylor Coleridge and Anna Letitia Barbauld. His publications included The Nature and Causes of Atheism (1797).