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The African-American lab technician, Vivien Thomas, who pioneered surgery that saved millions of babies, Otis Redding remembered 50 years on from his tragic death, the killer smog of the 1950's London, the man brave enough to hypnotise Uday Hussein and the Australian Prime Minister - lost at sea. (Photo: Vivien Thomas, US Surgical Technician, 1940) (Audio: Courtesy of US National Library of Medicine)