. >> full disclosure, your fabulous, really handsome genius child nickolai helps me with, and he's aelightful, smart young man, thank you. well done. and just in case there are folks watching who are transfixed by all of the stuff surrounding us, but may not be as aware of stephen hawking as others, could you briefly explain what stephen hawking's place it in physics, in the history of physics? >> well, stephen went to school in the '60s, so he went to oxford first and then he went to graduate school at cambridge and that's where he really -- undergraduate and beginning of graduate school and he had after that, he fell ill. before that he was kind of goofoff and due to his illness, he found a purpose in life, a kind of meeting in his life and he decided that he wanted to dedicate his last years to answering some fundamental questions about our existence, which was basically, you know, why are we here, how did we get here, how did the universe get here and why is it the way it is. and those are not questions had a people are asking much in the 1960's. >> no. >> and the systems-- he ma