What barriers did Katherine G Johnson break? How did she contribute to the Space Race? How does she change or inspire people today?

The main challenges faced by Katherine Johnson were segregation and discrimination.

She was a NASA mathematician who played a key role in numerous NASA missions during the Space Race, perhaps most notably calculating the trajectory needed to get the Apollo 11 mission to the moon and back.

Katherine Johnson's inspiring life is a model for all generations to come. Johnson was a pioneer at NASA and the National Advisory Committee for Aeronautics between 1930 and 1970. She, along with other black women, helped make critical calculations that launched our astronauts into orbit

Explanation:

dr. kings dream speech

explanation:

it was late in the day and hot, and after a long march and an afternoon of speeches about federal legislation, unemployment and racial and social justice, the rev. dr. martin luther king jr. finally stepped to the lectern, in front of the lincoln memorial, to address the crowd of 250,000 gathered on the national mall.