The Chicago Public Library turns 150! (Photo credit: Mike Stephen/WGN Radio)

Mike Stephen discusses the impact and significance of the Chicago Public Library over the last 150 years with library commissioner Chris Brown and then discovers the Secret History of local blues vocalist and drummer Ms. Johnnie Mae Dunson. To subscribe to the OTL podcast, please visit ourĀ Apple Podcasts Page, Spotify, or ourĀ RSS feed.