Rowland Hill preaching to the colliers in Kingswood, England in the 19th century

Rowland Hill preaching to the colliers in Kingswood, England in the 19th century. Rowland Hill, 1744–1833. English preacher, enthusiastic evangelical and an influential advocate of smallpox vaccination. From The Century Edition of Cassell's History of England, published c. 1900 (Photo by: Universal History Archive/Universal Images Group via Getty Images)