enterpriser

James Simons is a world-class mathematician and one of the greatest hedge fund managers of all time. The highest paid hedge fund manager in the world with an annual net income of US$1.5 billion.

Rockefeller was born into poverty in a small town called Janja on the Hudson River in New York State. He was trained in business by his father from an early age and inherited his mother's virtue of thrift

Born in 1965 in New Mexico, Jeff Bezos was born an illegitimate child and in 1999, at the age of 36, he became Time magazine's Person of the Year, one of the fourth young people ever to receive the honor.

Estee Lauder, like many business leaders, has done its share of bad deeds

Sam Walton (29 March 1918 - 5 April 1992) was the founder of Wal-Mart and Sam's Club and became the richest man in the United States in 1985. He was awarded the Medal of Freedom by President George Bush Sr. in 1992 and died that same year at the age of 74.

In his later years, Hughes had all sorts of incredible eccentricities: he only cut his hair and nails once a year, liked to pee in milk bottles, didn't have physical contact with anyone, injected cocaine for long periods of time, and forced himself to take notes.

Carl Icahn was born in 1936 and grew up in Far Rockaway, Queens, New York City.

Despite his wealth, Getty's personal life was often characterised by a penchant for frugality

In 2007, David Tepper was ranked the 9th most profitable hedge fund manager by alpha magazine with $670 million in annual revenue, and in 2010 he was named the highest paid hedge fund manager of 2009 by alpha magazine with $4 billion in annual revenue. On the latest Forbes list of the world's richest people, 56-year-old Tepper is ranked 130th with us$10 billion.

Barbie has gone far beyond the definition of a toy to become an immortal cultural icon.