Founder of Bridgewater, one of the world's biggest hedge funds. He spied the dotcom bubble early, warning in 1995 that America was "approaching a blow-off phase" in stocks—five years before the NASDAQ peaked in March 2000 and fell by more than 80%.
I have a hobby. I have the world's largest collection of sea shells. I keep it scattered on beaches all over the world. Maybe you've seen some of it.