It can be easy to think that all the good ideas have already been thought; after all, philosophy have been going on for more than 2500 years. But that isn't true! There are still some genius philosophers out there, of course. Here, we give you ten living people with ideas worth learning about.

Is philosophy still relevant today?

Whether it was introducing critical thinking, analyzing human nature, or questioning the moral compass, early philosophers asked and answered essential questions about life. Ancient philosophy is still relevant today, not only because it tells us how to think, but also what is important to think about in life.

Do modern day philosophers exist?

Contemporary philosophers are enormously influential right now. Take Princeton's Peter Singer and his work on animal ethics. ... Though usually not household names, contemporary philosophers have radically altered the way we think about all sorts of things --- from the nature of God to the role of race in democracy.