Simon was diagnosed with terminal cancer in 2012 and has since been using his money and remaining time to support animal welfare causes, including getting a chimpanzee who spent 18 years in solitary confinement transferred to a sanctuary and launching a foundation to rescue homeless dogs.
Hollywood mogul and co-creator of The Simpsons, Sam Simon, smiles while visiting the San Diego Humane Society after he financed the purchase of a chinchilla farm in order to rescue over 400 chinchillas and shutter the business in Vista, California August 19, 2014. Simon recently paid to save Ireland's gay bull Benjy from slaughter. REUTERS/Mike Blake