James Harold Wilson was the greatest PM on your list. I have to say that, as we’re both former students of Jesus College, Oxford.
But seriously, I do think Wilson was my favorite on the list. The worst, I think, was Major, who during the last couple years of his premiership could do no right. His administration lurched from scandal to disaster to embarrassment, and even his own party tried to wash their hands of him. Thatcher was obviously the “most hated” on this list, but among certain American Reaganites is probably the “most loved”: obviously YMMV on her. (BTW, she went to Somerville College, Oxford.) Callaghan was for me the non-entity on this list, becoming PM almost by accident after a long career in various ministerial roles and crashing out after The Winter of Discontent. Heath I remember more as The Grand Old Man of the Tory party.
And Blair? (St. John’s College, Oxford–Oxon 3, Tabs 0!) Came to power acclaimed by all. Slowly losing his aura of invincibility, not just because of his “toadying” to the U.S., as The Guardian might put it, but also because I think such unrealistic expectations were put on him from the start. Annoyingly squeaky-clean–the only male politician in the UK you can’t imagine could ever be implicated in a sex scandal. Like Thatcher, seems to lead his party wherever he wants, even if the rest of it doesn’t want to go there. I was at a lecture where Roy Jenkins (late leader of the Social Democrats) was speaking. A friend of mine asked him what he thought of Blair. Lord Jenkins rolled his eyes and said nothing. I think that’s what a lot of the Establishment have always thought of him. Now a lot of the press and the public are starting to feel that way too.
Anyway, that’s one American’s 2p.