I think there is value in having practising scientists as leaders of research institutions.
It is no good getting furious if you get stuck. What I do is keep thinking about the problem but work on something else. Sometimes it is years before I see the way forward. In the case of information loss and black holes, it was 29 years.
Americans enjoy uniformity in a way that the British don't; they wanted everybody of a sort of nice chorus line height and here I was, this person who was a good three inches taller than anyone else on the end of the line.

