Dylan had been mentioned in the Nobel speculation for years, but few experts expected the academy to extend the prestigious award to a genre such as popular music.

The academy's permanent secretary, Sara Danius, said that while Dylan performs his poetry in the form of songs, that's no different from the ancient Greeks, whose works were often performed to music.

"Bob Dylan writes poetry for the ear,'' she said. "But it's perfectly fine to read his works as poetry.''

Dylan was born on May 24, 1941, in Duluth, Minnesota. He grew up in a Jewish middle-class family. He's the first American winner of the Nobel literature prize since Toni Morrison in 1992.

By his early 20s, he had taken the folk music world by storm. "Blowin' in the Wind'' and "The Times They Are A-Changin'' became anthems for the anti-war and civil rights movements of the 1960s. Dylan was also awarded a Pulitzer Prize in 2008 for his contributions to music and American culture.

The literature award was the last of this year's Nobel Prizes to be announced. The six awards will be handed out on Dec. 10, the anniversary of prize founder Alfred Nobel's death in 1896. (AP)