Any follower of C-SPAN knows the name Harold Holzer, a lifelong aficionado and chronicler of Abraham Lincoln. He has either written or edited fifty-four books on America's 16th president. President Lincoln has been Mr. Holzer's avocation over these many years while he maintained full-time work and responsibilities for twenty-three of those years as senior vice president for public affairs at the Metropolitan Museum of Art in New York City. He currently serves as director of Hunter College's Roosevelt House Public Policy Institute. Recently, he talked about his favorite pastime, Mr. Lincoln, before an audience at Purdue University. Students were able to ask many questions about Abraham Lincoln and how the media has treated some of the other forty-five presidents in our country's history.   Learn more about your ad choices. Visit megaphone.fm/adchoices