Katherine Johnson is the African-American NASA mathematician whose calculations brought home many astronauts. pic.twitter.com/uZZRPx7lxu — Telah Blac (@blacneighbor) June 29, 2016
Katherine Johnson is the African-American NASA mathematician whose calculations brought home many astronauts. pic.twitter.com/uZZRPx7lxu
— Telah Blac (@blacneighbor) June 29, 2016