First with the Beatles, then as a solo star, John Lennon revolutionised 20th-century music. Jonathan Creek's Alan Davies celebrates an icon for the post-war generation who communicated in a universal language - pop music.
Mo Mowlam proposes Sir Winston Churchill on Friday at 9pm.
Director Kate Townsend; Series producer Mark Harrison
Great Britons Collection at 11.20pm has more on John Lennon
BBCi: special interactive features are available to digital viewers
RTSHOP: Great Britons: the Great Debate, which accompanies the series, can be purchased for £13.99 (including p&p) by calling [number removed]