It was essential to do this job, hateful though it was, because we knew the Germans were hot on the trail..

I lost my hair mixing a substance called white gunpowder on the kitchen table..

I, who had been in favour of nuclear energy for generating electricity ... I suddenly realised that anybody who has a nuclear reactor can extract the….

I believe that science is best left to scientists, that you cannot have managers or directors of science, it's got to be carried out and done by peop….

Going after the unknown is always fascinating, I think. It becomes part of your life, this desire to know..