Lost at Sea : The Search for Longitude : David R Axelrod (Screenwriter) (Television producer), Peter Jones (Television director), Paula S Apsell (Television producer), Richard Dreyfuss (Narrator), Patrick Malahide (Voice actor), Brian McDairmant (Director of photography.), Eve Gage (Editor of moving image work), William J H Andrewes (Consultant), Jonathan Betts (Consultant), Dava Sobel, City of Prague Philharmonic Orchestra (Performer), Green Umbrella Ltd. (Production company), WGBH (Television station : Boston, Mass.) (Production company), Sveriges television (Production company), WGBH Video (Firm) (Film distributor) : Free Download, Borrow, and Streaming : Internet Archive

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Harrison's hurdles. John Harrison's struggles involved in solving the problem of longitude continued long after the problem was actually solved. What were they? Some say that this is part of the process of innovation. Do you agree? Give examples of how innovation works today and how it compares to Harrison's efforts to solve the problem of longitude.