PICTURES: 2013 Notable Deaths

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Slayer guitarist, Jeff Hanneman (Photo Credit: MGN Online)

Chris Kelly (Photo Credit: CNN video still)

George Jones (Photo Credit: CNN video still)

Annette Funicello (Photo Credit: MGN Online)

Margaret Thatcher (Photo Credit: MGN Online)

Conrad Bain (Photo Credit: AP video still via NDN)

better known to millions of newspaper readers for decades as the Dear Abby advice columnist, has died after a long battle with Alzheimer's Disease, her family said Thursday. She died Wednesday in Minneapolis, Minnesota, at age 94.

Former NYC mayor, Ed Koch.

Mindy McCready (Photo Credit: Fox 8 News File Video)