Rhydderch Jones
A friend to Ryan Davies, Rhydderch was born in Aberllefenni, Meirionydd. He was a teacher for a few years before working for the BBC, and was responsible for series such as 'Fo a Fe', 'Glas y Dorlan' and 'Cawl a Chân', and won many awards during his career for his remarkable commitment to television. He died in 1987.
http://www.bbc.co.uk/cymru/cymruaryrawyr/database/rhydderch.shtml