William Williams ('Pantycelyn') was the great hymnwriter of the revival, composing almost a thousand hymns in both Welsh and English. His most famous English hymn is the rugby favourite 'Guide Me Oh ...

There were three great figures associated with what has become known as the Methodist Revival in Wales: Howel Harris (1714-73), Daniel Rowland (1713-90), and William Williams Pantycelyn (1717-1791).