Katherine Johnson as a Child
As a little girl, Katherine Johnson was exceptionally smart. She could do math calculations in her head and could solve almost any numbers you gave her. Her father wanted the best for her education and made sure she enrolled in college. She graduated from West Virginia State College in 1937 at the age of 18. Then she became a math teacher.
Katherine Johnson working at NASA
Johnson had gotten a job at NASA, being a "human calculator", and solving calculations for smaller things. She then got promoted to help solve the calculations for John Glenn's space launch. He was to go into space and orbit the Earth, the come back to Earth safely.
Katherine Johnson was a really smart woman who could solve almost any set of equations you gave her. She could solve them in her head and wrote every detail down when writing it out. Since she was so smart, she graduated college at only 18 years old. She went to work at NASA solving many calculations for the space program.