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Amancio Ortega, the 86-year-old Spanish founder of clothing retailer Zara, is worth around $54 billion. Ortega owns 59% of Inditex, the world's largest clothing retailer. Besides Zara, he owns Pull&Bear, Bershka, Massimo Dutti, Stradivarius, among others. Here's how he got his start, built a fast-fashion empire, and became one of the world's wealthiest moguls. The 86-year-old Ortega was born in northwestern Spain in 1936, the son of a railroad...