Willy Wonka star dies aged 83 following a secret battle with Alzheimer's

The actor's nephew says Wilder died late Sunday in Stamford, Connecticut from Alzheimer's complications. The actor best known for paying Willy Wonka was diagnosed with the disease three years ago, but chose to keep his condition private ,He did not want to disappoint fans with the news and 'couldn't bear the thought of one less smile in the world'  
Wilder was 83 years old at the time of his death and is survived by his wife Karen Boyer   ,Was a longtime collaborator with director Mel Brooks, starring in such comedies as Blazing Saddles,  The Producers and Young Frankenstein