Answer:
The importance of Katherine's work can be known from the fact that NASA couldn't have reached moon without the great mathematician Katherine Johnson.
Step-by-step explanation:
Katherine Johnson, who was an renowned American mathematician is widely known for her contributions in the field of space while working in NASA. She figured out flight paths of spacecraft and it was only because of her and her love for math that astronauts were able to reach the moon.
Apart from this, Katherine was also the part of the space shuttle program. And above all, she was the first African-American women who worked as a NASA scientist. She is an inspiration for many other women and African Americans. She is not with us, but her legacy of calculations is still helping scientists all over the world in accomplishing their mission.