I didn’t know who Thomas Peterffy was. I was shocked to learn that he is 81 years old, worth $80 billion dollars, and has built his $120 billion company, Interactive Brokers, into one of the most efficient companies in the world. I discovered Peterffy by reading this incredible profile about him. I couldn’t put it down. That’s what this episode is about.

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256. Histoire d’un livre : Georges Duby, Michelle Perrot, Histoire des femmes en occident (1) genèse d’un projet