One of the five Hungarian scientific geniuses dubbed "the Martians" by their colleagues, John von Neumann is often hailed as the greatest mathematician of the twentieth century and even as the greatest scientist after Einstein. He was a key figure in the Manhattan Project; the inventor of game theory; the pioneer developer of the modern stored-program electronic computer; and an adviser to the top echelons of the American military establishment. In The Martian's Daughter, Marina von Neumann Whitman reveals intimate details about the famed scientist and explores how the cosmopolitan...