Katherine Johnson is an African-American mathematician . She worked for NASA and her orbital calculations were critical to the U.S. manned space flights. Her critical life’s work was chronicled in the highly…
A Research Gateway for Writers, Researchers, Teachers, and Students
Katherine Johnson is an African-American mathematician . She worked for NASA and her orbital calculations were critical to the U.S. manned space flights. Her critical life’s work was chronicled in the highly…