Sir Hans Heysen is an acknowledged master of Australian landscape painting, with one wag quipping his iconic works did for the gum tree what Norman Lindsay did for the nude: made them famous! “Heysen made his home in the Adelaide Hills, amongst its gums from 1908 and, even though he trained in a traditional European set of painting values, he nevertheless was an important innovator of Australian landscape painting.” But in the course of his PhD, Mr Body uncovered a cache of letters showing not everyone was enamoured with Heysen – instead seeing the artist as a potential war-time traitor.