Obituary: Billy Name, the photographic pimpernel of Warhol's Factory

Billy Name, who has died at the age of 76, was a lover and confidant of the pop artist Andy Warhol and, as a vital member of his New York "Factory", was responsible for many of the most famous photographs of the Warhol entourage, capturing such "superstars" as the Velvet Underground vocalist Nico, Baby Jane Holzer, Viva Candy Darling and UltraViolet.