Jonathan Maitland profiles Alex Salmond, SNP leader and Scotland's First Minister.
Jim Naughtie considers the Scottish politician with a passion for an independent Scotland.
An insight into Craig Oliver, newly appointed Government Director of Communications.
Jim Al-Khalili discusses quarks and popularising particle physics with Frank Close.
Musician and composer Kerry Andrew travels to meet the novelist Sarah Hall.
Sir Mark Sedwill is Cabinet secretary and the UK’s national security adviser.
Michael Berkeley's guest is scientist and tango dancer Nicky Clayton.
As Prince William prepares to marry, who and what has shaped him and his royal role?
Michael Berkeley's guest is writer Sarah Hall.
Starring Harrison Ford, Rutger Hauer and Sean Young.
Writer Sarah Hall on the beauty of the Welsh language, and the lullaby Suo Gan