This is quite a compelling story of three ladies who played a crucial part in the NASA operation that ultimately put John Glen into space. All three were mathematicians drafted in to provide their skills but unlike so many of their colleagues, they were subject to prejudices surrounding their race and their gender. The women adopted the best solution to combat this bigotry, though - they decided there are more ways than one to skin a cat and so let their astonishing talents do their talking for them. Luckily, Katherine Johnson (Taraji P. Henson) had a boss in Al Harrison (Kevin Costner) who wa...