The University of St Andrews is host as four more contenders from Scotland and Northern Ireland do friendly battle in the quest to find Mastermind's 1986 champion. Michael MacDonald-Cooper (freelance writer) The Jacobite rising of 1745 Struan Case Robertson (retired soldier) Allenby and the Palestine Campaigns 1914-1918 Iain Bradley (schoolteacher) Life and times of Erskine Childers 1870-1922 Michael Chilton (minister of the Gospel) Russian orchestral music 1840-1943