William Williams of Pantycelyn near Llandovery trained as a doctor before becoming a Methodist preacher, riding thousands of miles across Wales.
He wrote hundreds of hymns and long poems that gave the revival its voice. His hymn ‘Arglwydd, arwain trwy’r anialwch’, sung in English as ‘Guide me, O thou great Redeemer’ to the tune Cwm Rhondda, is heard at rugby internationals to this day.
Hyfforddodd William Williams o Bantycelyn ger Llanymddyfri fel meddyg cyn dod yn bregethwr Methodistaidd, gan farchogaeth miloedd o filltiroedd ledled Cymru.
Ysgrifennodd gannoedd o emynau a cherddi hir a roddodd lais i’r diwygiad. Mae ei emyn ‘Arglwydd, arwain trwy’r anialwch’ i’w glywed mewn gemau rygbi rhyngwladol hyd heddiw.