Martin Margiela is fashion’s Greta Garbo and J.D. Salinger rolled into one. He’s ducked the press for years, refusing to be interviewed or photographed, and has led a life shrouded in mystery. It hasn’t prevented him from building an impressive business with 32 million euros, or $38 million, in sales last year. Still, Margiela does get out of bed and go to work, just like everybody else. WWD staked out his Paris headquarters for two days last week. Can you guess which of the below is the real M.M.?