Nasa mathematician Katherine Johnson's 9 most inspirational quotes about women, success and breaking

On keeping up with men at work:

'We needed to be assertive as women in those days - assertive and aggressive - and the degree to which we had to be that way depended on where you were. I had to be'

(Working at NASA Langley Research Center in 1980)

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Credit: Michael Ochs Archives 

Source: Donaldson Collection 

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