with Magnus Magnusson from the University of Glasgow.
This week four Scottish contestants compete for a semi-final place.
Michael Weir (civil servant) History of Golf at St Andrews from 1754; Graham Clayton (corrosion engineer) Naval Actions of the First World War; Myra Knight (housewife) City of Glasgow from 1700; John Crichton (primary head teacher) The Life and Work of A. S. Neill.
