Christopher Warwick is an acknowledged authority on modern royal history. The best-selling authorised biographer of HRH The Princess Margaret, sister of Queen Elizabeth II. His other books include George VI and Queen Elizabeth, Two Centuries of Royal Weddings, and Abdication. He has written widely for the national press in the UK and regularly appears in television documentaries and on news items for, among other networks, the BBC, Channel 4, ARD and CTV (Canadian Television). Reuel Golden is a photography book editor at TASCHEN, for whom he edited New York: Portrait of a City. He graduated in politics from the University of Sussex, England. Formerly the editor of British Journal of Photography and executive editor at Photo District News, he authored Masters of Photography and Witness: The World's Greatest News Photographers before joining TASCHEN's ranks. He has lectured on photography in London, New York and Los Angeles, and judged numerous photography competitions. He lives in Brooklyn.