Cliff Michelmore invites you to ring him on [number removed]to exchange ideas live by phone with studio guests:
Dr J. Bronowski , Senior Fellow, Salk Institute for Biological Studies, San Diego; presenter of the new TV history of science series The Ascent of Man; Mary Warnock. Research Fellow at Lady Margaret Hall , specialising in philosophy; Andrew Shonfield , economist, Director of the Royal Institute of International Affairs.
' The Ascent of Man ' begins on Saturday. 5 May, BBC2. Next week's RADIO TIMES contains a colour feature on Dr Bronoicski
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