Top 10 richest people on planet in 2014
New Delhi: The richest people in the world got even richer in 2013, adding $524 billion to their collective net worth, according to the Bloomberg Billionaires Index, a daily ranking of the world's 300 wealthiest
David Koch: $50 billion
Charles's brother David also owns 42 per cent of the firm and is vice president at the company. He and Charles are well known as megadonors for their conservative and libertarian political agenda and to the arts and medicine, including Lincoln Center and Memorial Sloan-Kettering Cancer Center.
