Dewi Morris Jones
Origianlly from Whitland, Dewi Morris Jones learnt French and Breton whilst living in Brest for 9 years. He worked as a tutor of Breton for Aberystwyth University, and was an editor and previous Head of the Editorial Department at the Welsh Books Council. He was part of the team that created the Welsh version of Scrabble and was very active with Plaid Cymru. Dewi Morris Jones died in 2015.
http://golwg360.cymru/newyddion/cymru/183716-dewi-morris-jones-wedi-marw