sentences:  He was a member of the editorial committee of the University of Wales Welsh Dictionary and of "Y Caniedydd", the hymnal of Welsh Independents.He also worked on translating government reports and served on various public bodies including the Welsh Joint Education Committee and the council of Coleg Harlech (later becoming Chairman).He was a vice-president of the National Library of Wales and of the Honourable Society of Cymmrodorion.