New Delhi: Microsoft-co founder, Paul Allen, has won the title of the world's wealthiest bachelor, with an estimated personal fortune of $15.3 billion, according to a ranking by Wealth-X - a global wealth intelligence provider.Allen,
Andreas "Andy" von Bechtolsheim, 58, co-founded Sun Microsystems. He is chairman of networking company Arista Networks. The German bachelor is worth an estimated $4.4 billion.
