Bob Dylan is an award-winning American singer-songwriter, visual artist, and writer whose iconic corpus spans more than fifty years. Described as one of the greatest songwriters of all time, Dylan is especially known for his poetic rock and roll lyrics in the 1960s when his influential songs became anthems for social unrest. Dylan has been honored with many awards, including ten Grammys, the Presidential Medal of Freedom, the Nobel Prize in Literature, an Academy Award, and a Golden Globe.