Contenders from Glasgow, Edinburgh and Aberdeen strive for a place in the Mastermind semi-finals.

To succeed they require the knowledge of the specialist, a wide range of general knowledge and the ability to think and act quickly under the pressure of time.

Edinburgh University again provides the venue for tonight's contest.

Contenders:

ROBIN WALDEN, export manager Life and works of Michelangelo

GAY SINCLAIR-GIEBEN, schoolmistress Scottish Wars of Independence 1306-1320

ALAN BRUFORD, archivist The Hebrides to 1914

MARTIN NICHOLS, retired neurosurgeon,

Naval history 1793-1815