English: From left: director Theodore Melfi, producer Mimi Valdés, American singer-songwriter Pharrell Williams, American actor, film director, and producer Kevin Costner, American musical recording artist, actress, and model Janelle Monáe, American actress Octavia Spencer, and American actress and singer Taraji P. Henson, are seen on stage prior to a screening of the film “Hidden Figures” at the Smithsonian’s National Museum of African American History and Culture, Wednesday, Dec. 14, 2016 in Washington DC. The film is based on the book of the same title, by Margot Lee Shetterly, and chronicles the lives of Katherine Johnson, Dorothy Vaughan and Mary Jackson -- African-American women working at NASA as “human computers,” who were critical to the success of John Glenn’s Friendship 7 mission in 1962.