As he watched the mushroom cloud form at the first atomic-bomb test in July 1945, physicist J. Robert Oppenheimer recalled a line from the Bhagavad Gita: “Now I am become Death, the destroyer of worlds.”

After receiving a copy of Nineteen Eighty-Four in 1949, Aldous Huxley wrote to George Orwell, “I need not tell you, yet once more, how fine and how profoundly important the book is. May I speak instead of the thing with which the book deals—the ultimate revolution?” By this he meant “the revolution which lies beyond politics and economics, and which aims at total subversion of the individual’s psychology and physiology.” Thirty-two years earlier, Huxley had taught French to Orwell at Eton College.