I’ve said it before, but I can’t recommend Radio 4’s “In our time” and the accompanying weekly newsletter by Melvyn Bragg highly enough:
“After the programme it was difficult to prise apart the guests. I think that what they had found was such a community of interest in what each other had to say, that they would have been very happy to have continued what I thought was a tremendous seminar for the rest of the morning. Perhaps they did. I had to push off and get on with dull work, ie: not talking about Renaissance magic and the association of the Cabbala, neo-Platonism and Hermes Trismegistus.”
Petafloptimism 