Well, Seymour's a remarkable person. Seymour was trained as a physicist; Seymour was in fact an important person in the invention in the Transistor in his early work. He started that… he started working in solid state physics. And Seymour decided he would go into biology and wanted to learn this, and so the best thing he could do as a physicist was to go and work at Oak Ridge – the atomic energy – where the only thing he could work on was radiation, and by… and that's how he got into phage. But Seymour is a person who's come from things from the outside, and has the ingenuity of being able to formulate experiments and... and you know, carry them out, and that's what I think is.. is again someone who also doesn't have to go and do courses on biochemistry or genetics or embryology, just go and do it. So I think that that is also very important.