Alumni of University College London in all BBC programmes
The Hollywood film director Christopher Nolan is profiled by Mark Coles.
Columnist and legal writer Marcel Berlins profiles Attorney General Lord Goldsmith.
Sir Nicholas Macpherson, treasury supremo and key figure in the Scots independence debate.
Mary Ann Sieghart profiles the Polar explorer Pen Hadow.
Ahead of the budget, a profile of Rupert Harrison, the man some call the 'real chancellor'
Mark Coles looks at the life and career of Sharon White, Ofcom's chief executive.