At 24, AJ Ayer changed the direction of British philosophy, but his book Language, Truth and Logic was just the first in a string of publications and broadcasts that brought him fame. According to biographer
Ben Rogers. Ayer was keen to diminish the pretensions of philosophy and its claims to interpret the world. Richard Coles talks to Ben Rogers about
Ayer's life and about the analytical tradition of philosophy. Plus the winner of this year's Orange Prize for Fiction, announced today. Producer Lawrence Pollard