In 1506, Michelangelo—a young but already renowned sculptor—is invited by the sultan of Constantinople to design a bridge over the Golden Horn. The sultan has offered, along with an enormous payment, the promise of immortality, since Leonardo da Vinci’s design was rejected: “You will surpass him in glory if you accept, for you will succeed where he has failed, and you will give the world a monument without equal.” Michelangelo, after some hesitation, flees Rome and an irritat