Antony Charles Robert Armstrong-Jones, 1st Earl of Snowdon (7 March 1930 – 13 January 2017) was a British photographer and filmmaker. He is best known internationally for his portraits of world notables, many of them published in Vogue, Vanity Fair, The Sunday Times Magazine, The Sunday Telegraph Magazine, and other major venues; more than 280 of his photographs are in the permanent collections of the National Portrait Gallery.Snowdon was also a relentless and successful campaigner for disabled people, achieving dozens of groundbreaking political, economic, structural, transportation, and educational reforms for persons with disabilities during his adult life. From 1960 to 1978, he was married to Princess Margaret, the sister of Queen Elizabeth II. Source: Wikipedia (en)