His political demise was widely predicted - so much so that Clark spoke out against the unnamed sources tipping him for the high-jump.

He was responsible for drawing up proposals for a Freedom of Information Bill while he headed the Cabinet Office - for which he won praise from civil liberty pressure groups.

Often low key in manner, since he joined the backbenches Clark has only been outspoken on the progress of Labour's open government legislation.

In 2000 he made a failed attempt to become Speaker as MPs voted for a replacement for Betty Boothroyd.