I am a caricature of what British science is about in the way I work.

It has been suggested at various times that I should start an operation in the United Kingdom but - bearing in mind my age and medical history - I think this would be not a very sensible way to go forward.

If it had been anything else, we would have said, 'People don't want us to do it. Forget it. Let's just leave it alone.' But this is not in that category. This is interesting science. New science. With a hint of a possibility of a very useful technology. Therefore, if you've got any integrity, you don't give up. You only give up if you find you are wrong. But as long as you believe that you are right, you have to continue. And you have to take the consequences.

I don't suppose I'll ever retire completely.

Now Stan and I were still working in secret at that time but, because of this development, we had to inform the University of Utah because we thought that they might need to take patent protection.

The problem is that replacement of Quantum Mechanics by Quantum Field Theory is still very demanding.

I am a caricature of what British science is about in the way I work.