Vance died at the Mount Sinai Medical Center in New York City on January 12 , 2002 , at the age of 84 , after a long battle with pneumonia , and the complication from Alzheimer 's disease .
Vance died at the Mount Sinai Medical Center in New York City on January 12 , 2002 after a long battle with pneumonia . His death was a complication from Alzheimer 's disease .