Angharad Tomos

Angharad Tomos is a relentless campaigner for the Welsh language, with her roots deep in the Nantlle Valley, as one of five sisters and the grand-daughter of the socialist David Thomas.
She was chair of Cymdeithas yr Iaith (the Welsh Language Society) 1982 – 1984 and she was imprisoned on more than one occasion whilst campaigning for the Welsh language.
She's a prominent author who has has written and illustrated many children's books, including her series Rwdlan, first published in 1983. She has won the crown at the Urdd Eisteddfod twice, the Prose Medal at the National Eisteddfod twice and the Tir na n-Og prize for children's fiction twice. In 2009 she won the Mary Vaughan Jones Prize for her contribution to Welsh children's literature.
She has also written half a dozen novels for adults, and a play which was staged by the Welsh National Theatre in 2012. Lately, she has written thre novels for young people based on real historical events.
She lives in Penygroes with her husband Ben and son, Hedydd.

https://en.wikipedia.org/wiki/Angharad_Tomos