Cy Twombly was a seminal American artist who came of age immediately following the Abstract Expressionist generation. His iconic large-scale paintings consisted of looping marks scribbled and smeared on raw canvas or linen. Twombly’s practice melded his interest in Roman and Greek mythological stories, including Leda and the Swan, with the frenetic doodling of chalk on a blackboard. “My line is childlike but not childish. It is very difficult to fake,” he once explained. “To get that quality you need to project yourself into the child's line. It has to be felt.” Born Edwin Parker Twombly Jr. on April 25, 1928 in Lexington, VA, he went on to attend the Art Students League of New York where he met Robert Rauschenberg...