I know this is way late but it may help those in the west who just got the game. once in the library, you'll have to traverse a couple floors. At one point, Ayesha will say there's too many books and that you'll need to go back to the entrance to talk to the librarian. Once you've talked to her (she'll tell you the section is 4-d or something similar), continue through all the floors. Once you hit the fourth floor, you'll find the gentleman reading a book.
If you do all that and the scene doesn't activate, then I'd restart from the last save point as it could be a glitch.