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,
Marcos Mera, 42, inherited the wealth of his late mother, Rosalia Mera, when she died in August. She was the world's wealthiest self-made woman from co-founding Spanish clothing brand Zara.
