He thought about history, the hidden human anxieties behind momentous events. The tiny trivial things that were probably bothering Einstein or Darwin or Newton as they formulated their theories: arguments with the landlady, maybe, or concern over a blocked fireplace. The pilots who bombed Dresden, fretting over a phrase in a letter from back home: What did she mean by that? Or what about Columbus, when he was sailing toward the New Land … who knows what was on his mind? The last words spoken to him by an old friend, perhaps, a person not even remembered in history books …