Continuity mistake: When Katherine realises she can use Euler's Method to calculate how to bring John Glenn safely back to earth, she is seen wearing a wristwatch when she's at the chalkboard. The watch is not on her when she leaves to get a book about Euler's Method. It reappears when she's back at the chalkboard.Matt Peters
Karl Zielinski: Mary, a person with an engineer's mind should be an engineer. You can't be a computer the rest of your life.
Mary Jackson: Mr. Zielinski, I'm a negro woman. I'm not gonna entertain the impossible.
Karl Zielinski: And I'm a Polish Jew whose parents died in a Nazi prison camp. Now I'm standing beneath a spaceship that's going to carry an astronaut to the stars. I think we can say we are living the impossible. Let me ask you, if you were a white male, would you wish to be an engineer?
Mary Jackson: I wouldn't have to. I'd already be one.