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Nearly two decades after earning a place in the Rock and Roll Hall of Fame and more than four years after his death, rock icon Tom Petty has been awarded an honorary Ph.D.

Tom Petty has been awarded an honorary Ph.D.

Petty was inducted into the Rock and Roll Hall of Fame two decades ago.

Usually backed by the Heartbreakers, Petty broke through in the 1970s and went on to sell more than 80 million records, featuring hits like "Free Fallin,’" "Refugee" and "American Girl.".

Petty passed away in October 2017 after suffering an accidental overdose.

Petty and the Heartbreakers were inducted into the Rock and Roll Hall of Fame in 2002

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