Mind-manglers from the Musk mafia

The book The Founders by Jimmy Soni tells the story of the Paypal Mafia – the tech bros who founded and ran the online payments company.

The most famous of this troupe - Elon Musk, Peter Thiel and David Sacks – are now as well known for their Trumpist politics as their entrepreneurial ingenuity. Back in the day, however, what really got their blood pumping was mathematical puzzles.