Born in Pen-y-groes in Carmarthenshire, Morgan began preaching at an early age in the Baptist chapel in nearby Saron, in the parish of Llandybie.
During this time, he became active in Plaid Cymru, and stood unsuccessfully for the party in Llanelli at the 1950, 1951, 1955 and 1959 general elections.
[1] In 1956, he moved to minister in Llandudno, then in 1960 he won a Fulbright Scholarship to the New York Union Seminary.
However, he left early due to ill health, and returned to Llandudno.
[1] Morgan was also an active pacifist, and served as secretary of the Welsh Peace Society.