قسطنطين الثاني
Among past guest speakers are Rowan Atkinson, Jeremy Burge, Ralph Fiennes, King Constantine II of Greece, Kit Hesketh-Harvey, Anthony Horowitz, John Major, Boris Johnson, Ian McKellen, J. K. Rowling, Katie Price, Kevin Warwick, Andrew Lloyd Webber, Vivienne Westwood, Terry Wogan and Alan Yau.