Answer:
Katherine Johnson's work at NASA is described below in detail.
Step-by-step explanation:
Katherine G. Johnson was a NASA mathema-tician who supported sending the earliest Americans into the cosmos and the first cosmonauts into space. She is one of the most well-known black women in space astronomy. ... As a black woman serving for NASA in the 1950s and '60s, Johnson overwhelmed social barriers and racial unfairness.