Celebrating OprahDr. Mehmet Oz! Rachael! See who (and what!) the media mogul has made famous

MAYA ANGELOU

Winfrey calls the poet and author "mentor-mother-sister-friend" – and helped turn Angelou into a household name, thanks to numerous appearances on her show and early inclusion in Oprah's Book Club. "She's the woman who can share my triumphs, chide me with hard truth and soothe me with words of comfort when I call her in my deepest pain," Winfrey wrote in O magazine..