In the 80s when I happened to be walking through a Central London park to get somewhere else I came across a rally gathering, which IIRC was part of the "People's March for jobs" type campaigns during the very high unemployment at the time. Along with some Trade Union leaders, Micheal Foot happened to be one of the speakers. I always remember how very impressive he was when he spoke, I found myself being engrossed and absorbed in his oratory.
He was quite an relatively old man then when he became labour leader and it was clear to me then why he had so thrived in the days before constant TV coverage but somehow was of another age and what worked so well in the town halls, the public squares etc just didn't come across on the small screen.
Regardless of how his politics might be viewed then or in retrospect he was proabably the most impressive public speaker I have known.