A conversation with Elena Boeck (DePaul University) about her recent book The Bronze Horseman of Justinian in Constantinople: The Cross-Cultural Biography of a Mediterranean Monument (Cambridge University Press 2021). Though it is often overlooked today, Justinian's column and colossal statue, which stood for a thousand years next to Hagia Sophia, defined the City almost as much as the Great Church itself. We talk about the symbolism, history, and the engineering of this monument.