How Did You Get Your PhD?

When he was in his third year at Kings, John Martin taught him quantum mechanics. He then went on to teach a course on general relativity for the first time. At this point they said you go and do a PhD - so he looked up where that could be done. It turned out to be Newcastle with Paul Davis who is still very active. And I knew nothing about it but thoughtI could see it was bringing these things together. So I applied and he invited me up for interview. That's what I tell potential students when they're going for interview: find out about the group you're going to have an interview with,. Find out what they do and show that you're interested in