Iolo Morganwg

Edward Williams, better known by his bardic name Iolo Morganwg ('Iolo of Glamorgan'), was a Welsh antiquarian, poet and collector, born near Llancarfan in the Vale of Glamorgan. He was seen as an expert collector of medieval Welsh literature, but after his death it emerged that he had forged several manuscripts, among them poems he attributed to Dafydd ap Gwilym in 1789 and the third series of Welsh Triads in The Myvyrian Archaiology of Wales (1801–1807). In 1792 he founded the Gorsedd, a community of Welsh bards, at Primrose Hill in London, through which he co-opted the Eisteddfod revival. The philosophy of his forgeries has had an enormous impact on neo-Druidism.