Matthew Bannister onJohn Lewis, the leading American civil rights campaigner who was beaten and imprisoned in the 1960s when he marched with Martin Luther King and later served as a Congressman.Tony Elliott CBE, who founded the listings magazine Time Out and oversaw its transformation into a global brand.Wendy Cooling, the former teacher who, through the Bookstart scheme, gave millions of babies and toddlers their first books.Dr Alan Howard, the nutritionist who came up with the Cambridge Diet which became an international commercial success.

Producer: Neil George

Interviewed Guest: Bob HarrisInterviewed Guest: Alan YentobInterviewed Guest: Michael CarlsonInterviewed Guest: Justin SomperInterviewed Guest: Jon HowardInterviewed Guest: Julio Bruno

Archive clips from: Tomorrow's People, BBC 15/04/1972; Woman's Hour, Radio 4, 01/02/2008; The Perfect Diet?, BBC 2 28/11/1987