ANTON RAPHAEL MENGS (1728-1779) Sir Charles Hanbury Williams (1757) Oil on canvas: 110 x 83 cm Warsaw, National Museum. To enlarge the picture, right-click on it and open it in a new tab. Sir Charles Hanbury Williams (1708-1759) was already a well-known and highly-regarded poet, writer and satirist when he decided to embark on a …