The visionary poet and painter William Blake is a constant presence throughout contemporary culture - from videogames to novels, from sporting events to political rallies and from horror films to designer fashion. Although he died nearly 200 years ago, something about his work continues to haunt the twenty-first century. What is it about Blake that has so endured? In this illuminating essay, John Higgs takes us on a whirlwind tour to prove that far from being the mere New Age counterculture figure that many assume him to be, Blake is now more relevant than ever.