Ronald Reagan
On June 5, 2004, Reagan died at the age of 93 of pneumonia, caused by Alzheimer's disease, in his home in Bel Air, Los Angeles, California. A short time after his death, Nancy Reagan released a statement saying, "My family and I would like the world to know that President Ronald Reagan has died after 10 years of Alzheimer's disease at 93 years of age. We appreciate everyone's prayers."