Approximately four minutes of quick-fire specialist and general knowledge questioning confronts four doughty contenders for this year's Mastermind title.
This second heat brings together contestants who between them have a wide variety of talent.
Nottingham University provides the setting for tonight's ' Battle of the Polymaths.'
An American at Oxford University, a Miner, a Chartered Surveyor and a Systems Analyst make up the group who are in contention tonight for the Mastermind title. They are:
Introduced by Magnus Magnusson from Sheffield University Tonight's contenders are: MARTIN MCCLELLAND, sheetmetal worker
From which town will tonight's winner emerge?
Bath University provides the forum tonight for four more hopeful ' Masterminds.'
So far the preceding seven heats of Mastermind have been won by the men.
The venue for tonight's heat is the Open University at Milton Keynes.
In the space of 30 minutes over 150 specialist and general knowledge questions will be offered to tonight's four contenders. How many of them will you get right? Tonight's contenders are: ROBERT WORGER, teacher SUSAN WALKER, university language assistant
This 11th heat comes from Scotland's ancient seat of learning, St Andrew 's University.
From St Andrews University, Scotland, contestants from Northern Ireland, Southern Ireland, and Scotland battle for a place in the semi-final round.
Manchester University provides the venue for this semi-final, the first of four, one of which is reserved for the four best runners-up.
Tonight's Semi-finalists are from Bournemouth, Wallasey, Bangor (Wales), and Glasgow. They are:
This third Semi-final comes from Southampton University. MARTIN CABOURN SMITH, chartered accountant, British Naval History of the First World War
This Semi-final is devoted to the four best runners-up from the initial 12 heats, and it is the last chance for a woman to make it to the Final. But there are three of them lined up against a lone male. So the odds should be in their favour. The contestants and their special subjects are:
Four worthy contestants line up for this the final hurdle to the championship title of Mastermind 1975. They are: