In transcripts of interviews, conducted by the Pollard review and released by the BBC, Jeremy Paxman tells the inquiry: "You are conducting this in such a ridiculous fashion."
He goes on to say it was "common gossip" that Jimmy Savile like young girls, adding: "But I had no evidence of it, and I never saw anything that made me take it more seriously than it being common gossip."
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The annual event has earned a place in the record books ahead of the grand final of the 60th anniversary show in Austria this evening.
Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Some students argued that the centuries-old tradition of wearing gowns, suits and mortarboards to exams was 'archaic' and looked elitist.