There's a fair chance you spent your 18th birthday worrying about board exam results or college admissions. Nathan Thomas spent his walking into a lecture hall as the professor, not the student. The teenager from Florida has officially entered the history books after Guinness World Records confirmed him as the youngest male professor ever, a title that had sat untouched for over three centuries. Here's everything to know about the young engineer-turned-educator who is now also chasing a law degree on the side.
