A picture of author and poet Maya Angelou is seen in a mural by artist Paul Deo in the Harlem section of New York May 28, 2014. American author and poet Maya Angelou, who is best known for her groundbreaking autobiography "I Know Why the Caged Bird Sings," has died at age 86 in North Carolina, her publisher confirmed on Wednesday. REUTERS/Shannon Stapleton (UNITED STATES - Tags: SOCIETY OBITUARY)