Brain Snacks: Tasty Tidbits of Knowledge
Existentialism was as much a literary movement as a philosophical one, with Sartre's works Nausea and No Exit using fiction to convey his ideas. Those sound like some lighthearted reads, huh?
Janne Teller isn't just an author, she's an international financial and political advisor. Is there anything she can't do? (Source.)
The answer to that question is no. She even writes poetry.