Italian Vogue, 1984© Robert Mapplethorpe Foundation, Used by Permission; Courtesy The Robert Mapplethorpe Foundation, New York and Alison Jacques Gallery, LondonFew artists have defined an era and an art form with the style of Robert Mapplethorpe, whose silvery Polaroids of the famous, the scandalous, the beautiful and the subversive are passports back into the glamour and madness of 70s and 80s New York. From his portraits of friends and collaborators such as Grace Jones, Andy Warhol, Arnold Schwarzenegger and of course Patti Smith, to his more experimental and visceral i...