[2016-02-29 13:00:00] When we need to look something up, Wikipedia is often the first stop. That site, though, is just the current iteration of a centuries-old attempt by people to compile knowledge in one handy place. This hour, we’ll talk about that history with Rutgers University English professor Jack Lynch, author of “You Could Look It Up: The Reference Shelf From Ancient Babylon to Wikipedia” (Bloomsbury Press).