Alan Heusaff
Alan Heusaff, also Alan Heussaff (23 July 1921 in Saint-Yvi, Finistère – 3 November 1999 in Galway) was a Breton nationalist, linguist, dictionary compiler, prolific journalist and lifetime campaigner for solidarity between the Celtic peoples. A co-founder of the Celtic League in 1961, he was its first general secretary until 1984.