01:32DiscoveryRichard Feynman, PhysicistBBC World Service Duration: 27 minutes Thu 30th Sep 2010, 01:32 on BBC World Service OnlineAvailable for over a yearListen nowBrian Cox presents a tribute to Richard Feynman, widely regarded as the most influential physicist since Einstein.GenresFactualScience & NatureFormatsDocumentariesBrandDiscovery Source: BBC Online