Tonight Wales presents its group of aspirant masterminds, and for the occasion Cardiff University is the location.The contenders are:ANGELA ALVES, housewife - Life of HenryVI JOHN LLOYD, barrister - History of Singapore 1819-1969STUART LAIRD, consultant anaesthetist - World War II in EuropeTHOMAS DAWKES, librarian - Life and Works of J. R. R. Tolkien