Divas On Screen With the 2010 Academy Awards approaching, NPR's Tell Me More presents a five-part series focusing on five revolutionary African-American actresses. Commentator Mia Mask, author of the book Divas On Screen, explains how legendary performers Dorothy Dandridge, Pam Grier, Whoopi Goldberg, Oprah Winfrey and Halle Berry have evolved the image of black women in Tinseltown and on the big screen.