With George Alagiah.
Martin Rees looks back over the history of cosmology in the first of a series of lectures celebrating Stephen Hawking's 60th birthday.
Historian John Brewer explores the rich culture of 18th-century London, and traces the birth of Georgian society.
Roy Porter examines the British contribution to the European Age of Enlightenment.
Highlights of Bob Marley and the Wailers in concert at London's Rainbow theatre in 1977.
