I confess I didn't know of him until I read about his death this morning on BBC News. That said, he sounds like he was (even if his politics were almost certainly diametrically opposed to mine) a dedicated lifelong servant. It sounds like the UK lost a truly great statesman.
Labour stalwart Tony Benn dies at 88
This last quote from him really stuck and I wish more politicians heeded it.
"You look back and, when you're in a critical mood, you see you made errors of judgement. But as long as you say what you believe and believe what you say - that's the test of authenticity."