In this special episode, Ed Butler brings you a podcast from our friends at Good Bad Billionaire. In the series, presenters Simon Jack and Zing Tseng find out how the richest people on the planet made their billions, and then they judge them. Are they good, bad, or just another billionaire? This episode focuses on Warren Buffett - how did he became the richest investor in history?Listen to every episode of Good Bad Billionaire wherever you get your BBC podcasts.