Jones was active in Y Tair G, which in 1925 became a component of the new Plaid Cymru. In 1928, he became a teacher in London, and he founded a successful branch of Plaid there; as a result, in 1930, he was appointed General Secretary of the…
Jones died Thursday, November 26, 2009 after he became trapped in the cave around 8:45 p.m. Tuesday night. The area he was stuck in was an offshoot from the main path on the north side at the end of the cave.