John Granger, who TIME magazine calls the “Dean of Harry Potter Scholars,” presents a free lecture 7 p.m. Tuesday, Sept. 29th in DeBartolo Hall on the campus of Youngstown State University. The lecture is being held in conjunction with an exhibit on display at YSU through Oct. 9 that explores the connections between Harry Potter and real life Renaissance science. The six-banner exhibit from the National Library of Medicine is titled “Harry Potter’s World: Renaissance Science, Magic and Medicine.” The schedule for the exhibit: