Dafydd Glyn Jones is a Welsh scholar and lexicographer, born in the village of Carmel, Gwynedd. He is a specialist in Middle Welsh prose, and his other interests include Welsh history, Robert Jones, Rhoslan, and the life and work of Emrys ap Iwan. He was educated at Carmel Primary School and at Ysgol Dyffryn Nantlle, Penygroes, Gwynedd. He graduated from the University College of North Wales, Bangor and from Linacre College, Oxford. He spent many years as a lecturer and senior lecturer in Welsh Language and Literature at the University of Wales, Bangor. With his co-editor Bruce Griffiths he edited the Welsh Academy English-Welsh Dictionary. He retired from the University in 2000. 

January 1st, 1941 in (Age 83)