“I got the travel bug when I was quite young. My parents took me and my sisters out of school and we travelled all over Europe. It was an eye-opening experience and, although I love Norway, I also enjoy visiting new countries. I don't get homesick.”
“General relativity is the cornerstone of cosmology and astrophysics. It has also provided the conceptual basis for string theory and other attempts to unify all the forces of nature in terms of geometrical structures.”