Starring Taraji P. Henson, Octavia Spencer, and Janelle Monáe, “Hidden Figures” tells the true story of Katherine Johnson, Dorothy Vaughan, and Mary Jackson, three Black mathematicians whose brilliant work helped the United States take a major step forward in the space race. Even as they faced racism and sexism, the trio’s calculations and tireless dedication to NASA’s mission made it possible to launch John Glenn into orbit.