Larry King (pictured), Catherine Ennis, Margaret Weston, Gerry Cottle

Matthew Bannister onLarry King, the American TV interviewer whose long running show on CNN attracted guests ranging from Presidents to pop stars. Christiane Amanpour pays tribute.Catherine Ennis, the organist at the City of London Church of St Lawrence Jewry who helped to design four major organs in the capital. Dame Margaret Weston, the Director of the Science Museum who spread funding around the UK by opening the National Railway Museum in York and the National Museum of Photography, Film and Television in Bradford.Gerry Cottle, the charismatic circus owner who overcame bankruptcy and sex and cocaine addiction to evolve the art form as public tastes changedProducer: Neil GeorgeInterviewed guest: Christiane Amanpour Interviewed guest: Michael Carlson Interviewed guest: Sir Roger Gifford Interviewed guest: Sir Andrew Parmley Interviewed guest: Heather Mayfield Interviewed guest: David Morgan Interviewed guest: Professor Vanessa Toulmin Interviewed guest: John HazeArchive clips from: Profile, Radio 4 TX 26.03.1974; In Tune, Radio 3 TX 14.10.2016; Desert Island Discs, Radio 4 TX 21.9.1984