Hetty Green was America’s richest woman, but was renowned as the nation’s biggest miser. But she built her investment fortune in an era before women could even vote.

Journalist Zing Tsjeng and BBC business editor Simon Jack tell the forgotten story of a woman guided by Quakerism who loaned money to New York City when it was in financial peril. She also pioneered the concept of ‘value investment’, decades before the theory was taught in economics classes.

In this special series, Good Bad Dead Billionaire, find out how five of the world's most famous dead billionaires made their money. These iconic pioneers who helped shape America may be long gone, but their fingerprints are all over modern industry - in business trusts, IPOs, and mass production. They did it all first, but how did they make their billions?

Good Bad Billionaire is the podcast exploring the lives of the super-rich and famous, tracking their wealth, philanthropy, business ethics and success. There are leaders who made their money in Silicon Valley, on Wall Street and in high street fashion. From iconic celebrities and CEOs to titans of technology, the podcast unravels tales of fortune, power, economics, ambition and moral responsibility, before inviting you to make up your own mind: are they good, bad or just another billionaire?