Referred to as one of the most fascinating librarians in American history, Belle da Costa Greene is the figure who is responsible for the depth and legacy of the Morgan Library's collection, to this day.For sponsor-free episodes of Consider This, sign up for Consider This+ via Apple Podcasts or at plus.npr.org. Email us at [email protected] more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy