"Is it true you used to live in your office?
"Yes it is. I lived there for half of the 1980s and most of the 1990s.
"What made you do that?
"It was convenient and cheap. To walk home to another place when I was sleepy was a very bad thing: first of all, if I was sleepy, it might take a couple of hours before I could get it together to put on my coat and my shoes and so on. And after that, walking home would wake me up, so when I got home I wouldn't go to sleep either. It was so much better to just be able to go to sleep where I was..."