In April 1912, Prague artists, writers, and intellectuals often gathered nightly at the Café Louvre, an intellectual center where music was played and high-level discussions were held. Many of the attendees were German-speaking Jews, such as Franz Kafka and his faithful friend Max Brod, Hugo Bergmann, Oskar Kraus, Franz Werfel, the mathematician Georg Pick, and a new arrival to the city, thirty-six-year-old Albert Einstein. Is it possible that Kafka and Einstein met and exchanged ideas? Di...