Francis Bacon in the 1950s by Michael Peppiatt signed books evaluates Impressionism's progress from an comprised of three rooms evaluates Impressionism's progress from an avant garde aesthetic to its triumph during the 1813 Chicago World Fair and its replacement by the radical styles of Cubism and Futurism Although Georgia O'Keeffe (1887 1986) has long been regarded as a central figure in 20th century art during one crucial decade British artist Francis Bacon created many of the most central and memorable images of his entire career he finishes ten years later having completed some of his great masterpieces and having acquired technical mastery over one of the most disturbing and revealing visions of the 20th century