An American author, motivational speaker, and former stockbroker is infamous for being pleading guilty to fraud relating to stock-market manipulation. The stockbroker-turned-author, after serving a term for more than 20 months, post his release he published a memoir The Wolf of Wall Street, which was later adapted into a film of the same name. The film starring Leonardo DiCaprio, Jonah Hill, Margot Robbie and Matthew McConaughey was Martin Scorsese.