Raised eyebrows and a few chuckles greeted the 1990s announcement that an exhibit of Star Wars movie memorabilia would tour such respected museums as the Smithsonian Institution — but after it set its own museum box office records, no one was laughing. Once bitten by the blockbuster bug, traditional bastions of education and culture have gone enthusiastically mainstream, from Ravinia seasons packed with pop headliners to this collection of Hogwartsiana at the Museum of Science and Industry. Muggles of all ages will appreciate the stagecraft behind the Hollywood versions of J.K. Rowling's phenomenally successful bildungsroman, plus a preview of this summer's new theatrical release, Harry Potter and the Half-Blood Prince.