"The Simpsons" co-creator and producer Sam Simon died following a battle with colon cancer, it was announced on Monday. He was 59.

After being given three months to live following a cancer diagnosis in 2012, Simon dedicated his $100 million fortune to charitable causes, chiefly the Sam Simon Foundation, which provides service dogs for returning veterans suffering post-traumatic stress disorder and the hearing impaired.

In August, the reputed animal rights activist teamed with Fusion on a documentary that chronicled Simon's fight with his terminal disease and his efforts to save animals from harmful and abusive situations.

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The Sam Simon Foundation tweeted the following on Monday:

It is with much sadness that we must let you know that Sam Simon has passed over. We all miss him, and in his… http://t.co/hQ42NgiLYu

— Sam Simon Foundation (@ssfoundation1) March 9, 2015

Al Jean posted the following on Twitter:

Al Jean @AlJean
.@TheSimpsons #everysimpsonsever Just heard terrible news of death of @simonsam. A great man; I owe him everything.

More to come …

Read original story Sam Simon, 'Simpsons' Co-Creator, Dead at 59 At TheWrap