they had a sabbatical at caltech.nd he met another boy who was really into and that is what got him interested. i think so often, i have experienced this myself. many what sabbatical it becomes a watershed for the entire family. in the case of my husband, is when i start writing about science and we went on sabbatical. our children look at that too, as a watershed. his daughter has written a couple of children's books with stephen. they're called george's cosmic adventure, george's key to the universe. their wonderful books! i wonder if you have them in the library. do you have them? i will have to tell her, i recommend them. they are wonderful! they are fiction. they are about a boy named george and was interesting is he meets a scientist who lived next door to him. who is so clearly, stephen hawking as he would be without his disability. it is so clear, he is the same person. but anyway, then they have these adventures. and it is sort of science fiction but there are huge sections of the book that are kind of remove