John Cornyn is alive.
no he did in 2002 at age 85
If you are referring to John Stallworth the American football player (Wide Receiver), he is still living at the age of 57.
Yes, he died at 59 when he had a heart attack during a morning walk in Manhattan, He was in New York to visit family on August 6th, 2009. http://wiki.answers.com/search/name?death_date=2009
Yeah although he is very old so you can never be sure