Gildas [St Gildas]
- François Kerlouégan
Gildas [St Gildas] (fl. 5th–6th cent.), writer, is remembered for his principal extant work, known as De excidio et conquestu Britanniae ('On the ruin and conquest of Britain'). His name is of obscure derivation. It is difficult to see to which subgroup of the Celtic languages it belongs: linguistically it is not close to that of the Breton saint ...