Sometimes called the Warren Buffett of Hong Kong, he made his billions initially building apartments for middle-class descendants of refugees from mainland China.

The patriarch of a powerful family, his Tata Group put an indelible stamp on Indian life while acquiring British brand names like Tetley Tea and...

Using advanced computers, he went from M.I.T. professor to multibillionaire. His Medallion fund had 66 percent average annual returns for decades.

An esteemed journalist and author, he was born to a French count but later shed his aristocratic roots (and name) to became a U.S. citizen.

He merged eyewear with fashion, turning a quotidian necessity into high style. He rose from poverty to become one of the world’s wealthiest men.