As great as it would be if "Harry Potter" was real, J.K. Rowling made sure the series was distinct from real life. There's just one exception: Nicolas Flamel.

JK Rowling has shared a snap from the British Library's Harry Potter exhibition – and she wants to play a guessing game... Alongside the snap of a real-life gravestone, JK tweeted: "Guess what this is ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Based on the on-set images, we seemingly have renowned alchemist, Nicolas Flamel, conversing with ...