18:30Great LivesEpisode 4: Howard FloreyBBC Radio 4 Duration: 30 minutes Thu 17th Nov 2016, 18:30 on BBC Radio 4 ExtraAvailable for over a yearListen now4 Extra Debut. Sir Richard Sykes champions Sir Howard Florey, a forgotten key figure in the story of penicillin. With Matthew Parris. From January 2008.GenresFactualLife StoriesFormatsDiscussion & TalkBrandGreat Lives Source: BBC Online