For most of those which were great once are small today; And those that used to be small were great in my own time. Knowing, therefore, that human prosperity never abides long in the same place, I shall pay attention to both alike
–Herodotus, Fifth Century B.C.
If the great Greek chronicler and “father of history” Herodotus were alive today, he would have whiplash. In less than a lifetime, we have seen the rapid rise of a host of dynamic new global cities – and the relative decline of many others. With a majority of the world’s population now living in cities, what these places do with their new wealth ultimately will shape this first truly urban century.