Andrew Graham-Dixon is one of the leading art critics and broadcasters in the English-speaking world. He is the author of numerous books on subjects ranging from the art of the Middle Ages and Renaissance to the present day, including A History of British Art (1994), Renaissance (1999), Michelangelo and the Sistine Chapel (2008) and Caravaggio: A Life Sacred and Profane (2010), which was shortlisted for the UK's most prestigious non-fiction book award, the Samuel Johnson Prize.