A history professor at the CUNY graduate center, David Nasaw knows his two-fisted titans of 20th C. America. He’s written much praised biographies of William Randolph Hearst, Andrew Carnegie and, most recently, Joseph P. Kennedy. By the way: not a bootlegger. Kennedy. Well, Nasaw isn’t either. As far as we know. But he is a great talker.

• PERSON: Dick Drinnon, Historian and professor emeritus, Bucknell
• PLACE: The East Side of Broadway, between 96th & 101st Streets
• THING: His Portable Folding Toothbrush