Erik Larson is probably the most successful popular historian working today. His books, which include “The Devil in the White City” and “The Splendid and the Vile,” have sold a staggering 12 million copies. His latest, “The Demon of Unrest: A Saga of Hubris, Heartbreak, and Heroism at the Dawn of...

Scott Galloway is a podcaster, bestselling author, and professor of marketing at NYU. He's irreverent, cocky, brutally honest, and surprisingly humble. He's also wildly successful — and he doesn't care who knows it. In fact, he thinks more rich people should talk about their success. That's why...