Vidal Sassoon's extraordinary life has taken him from an impoverished East End childhood to global fame. The father of modern hairdressing, his slick sharp cutting took the fashion world by storm and reinvented the hairdressers' art. Before Vidal Sassoon, a trip to the hairdressers meant a shampoo and set or a stiffly lacquered up-do that would last a week - or more. After Vidal Sassoon, hair was sleek, smooth and very, very stylish. Along with his lifelong friend and partner in style, Mary Quant, who he first met in 1957 and who to this day sports a Sassoon-style geometric bob, he styled the...