Background
He was born in Barry, Vale of Glamorgan, the son of Professor Stephen J. Williams, an academic at Swansea University.
He was born in Barry, Vale of Glamorgan, the son of Professor Stephen J. Williams, an academic at Swansea University.
He was an expert in the grammar of the Welsh language, and studied the language at Swansea University, before going on to the University of Liverpool to take a doctorate in psychology. In which he translated the Wechsler Intelligence Scale for Children into Welsh, and produced norms for Welsh-speaking children.
His first teaching post was at Trinity College, Carmarthen. After becoming a freelance writer, he produced scripts for the popular Welsh-language children"s television programme, Wil Cwac Cwac. He died at Penarth.