[Cambridge University] said Hawking has been fighting a chest infection for several weeks, and was being treated at Addenbrooke's Hospital in Cambridge, the university city north of London.
"Professor Hawking is very ill," said Gregory Hayman, the university's head of communications. "He is undergoing tests. He has been unwell for a couple of weeks."
Geekologie wishes Stephen a speedy recovery. No, a lightspeedy recovery. Get well soon, Dr. Hawking.
Stephen Hawking hospitalized, reported very ill [yahoonews]