C S Miller writes "Not much more to add. The BBC is reporting that 'Stephen Hawking is "very ill" in hospital.' He has had a few health scares before, and as a post-graduate he was told he didn't have much longer to live; he's now 67."
"I think it is true for all _n. I was just playing it safe with _n >= 3 because I couldn't remember the proof." -- Baker, Pure Math 351a