Bernie Madoff, financier behind largest Ponzi scheme in history, dies in prison

• Fraudster sentenced to 150 years in jail dies from natural causes
• New York financier ran scheme that cheated investors of billions

Bernard Madoff, the one-time Wall Street titan who orchestrated one of the largest frauds in history, has died in prison aged 82.

Madoff, known as Bernie, was a former chairman of the Nasdaq stock exchange, and was regarded for years as an investment sage. But unbeknown to his thousands of victims, he was running a Ponzi scheme that wiped out at least $17.5bn in savings.