When he suddenly stopped, and the output dropped, he was presumed dead. No, Tom Lehrer replied. Just having fun commuting between the coasts, teaching maths for a quarter of the year, ie the winter, at the University of California in sunny Santa Cruz, and spending the rest of the time in Cambridge, Massachusetts, being lazy. Never having to shovel snow; never having to see snow. And, being said to be dead, avoiding junk mail.