At the Edinburgh Festival, Andrew Robinson asks: 'What can we learn from geniuses?'.
Vivienne finds out how 'gifted' children are measured and by whom.
Edward Said considers how far an intellectual should participate in the public sphere.
Edward Said explores the role of intellectuals from different cultures and backgrounds.
Melvyn Bragg and guests discuss the true meaning of genius and whether it is born or made.
The great clash that occurred between Newton and Leibniz over the discovery of calculus.
Sarfraz Manzoor asks if it is better to specialise or build a portfolio career.
Will Self concludes his 600-mile road trip on the trail of physicist James Clerk Maxwell.
A defence of general knowledge by two stars from the last series of University Challenge.
Edward Said examines amateur intellectuals and their influence on society.