Rex Whistler Self Portrait, 1933 Photo: Tate museum One of the great, if not greatest, decorative painters of the 20th century was Reginald John 'Rex' Whistler, 1905 to 1944. Perhaps better described as a muralist in the context of this post of The Devoted Classicist, he also painted portraits and landscapes, illustrated books, and designed theatre sets. Rex Whistler in his Fitzroy Street Studio, 1932. Howard Coster, photographer. Photo: Private Collection, Rex Whistler Estate. Born in…