Who the hell was Dylan Thomas? Boozer, womaniser, sponger, charlatan — or master craftsman, besotted husband, generosity personified and one of the greatest literary talents of the 20th century? Or all of these? Fifty years ago (in November 1964) the writer Constantine Fitzgibbon grappled with these questions in The Spectator as he completed the first full-length biography of his friend the poet.