Founder of Icahn Enterprises, a big investment firm. Made his name as a corporate raider in the 1980s. At 90, he remains active, recently bidding for Caesars Entertainment, a casino operator. Mr Icahn is among the ultra-wealthy New Yorkers who have decamped from New York to Florida.
Galbraith's Law of Human Nature: Faced with the choice between changing one's mind and proving that there is no need to do so, almost everybody gets busy on the proof.