William Williams Pantycelyn: poet, prose and hymn writer Died This Day ( Jan 11th ) 1791

From the Wikipedia "William Williams, Pantycelyn (also known as Williams Pantycelyn and Pantycelyn) (1717 – January 11, 1791) is generally acknowledged as Wales's most important hymn writer. He was also one of the key leaders of the 18th century Welsh Methodist revival, along with Daniel Rowland and Howell Harris. As a poet and prose writer he is today considered to be one of Wales's greatest writers,...." MORE HERE.