Tonight's heat comes from the University of Leicester, where we welcome four contestants from Northern Ireland. Depth of knowledge, concentration, and nerves of steel will help one of them to find a place in the Semi-final round. Contestants are: Robert Dunbar, Teacher - Life and work of Samuel Becket Lisa Duffin, Librarian - 17th-century Mathematicians Oliver Ferguson, Teacher - Geography of South East Asia Rodney Smith, Teacher - 20th-century British Politics