\'The nerdiest and longest-running Quiz around\' The SpectatorHave you got what it takes to tackle Radio 4\'s most fiendish quiz? Can you explain?*The Round Britain Quiz is the oldest broadcast Quiz anywhere in the world.. \'The nerdiest and longest-running Quiz around\' The SpectatorHave you got what it takes to tackle Radio 4\'s most fiendish quiz? Can you explain?*The Round Britain Quiz is the oldest broadcast Quiz anywhere in the world.