Tributes have poured in for the American poet, author and activist Maya Angelou who has died aged 86.<br /><br />Her groundbreaking memoir “I know Why the Caged Bird Sings” told of her own rape along with racism in America’s segregated south. It earned her international acclaim. <br /><br />President Obama called her “one of the brightest lights of our time”.<br /><br />She went on to write more than 30 books and won numerous awards<br /><br />Media mogul Oprah Winfrey, who frequently threw lavish birthday parties for Angelou and considered her a mentor, said she would remember her friend most for how she lived her life.