johnson, katherine g

"Examines the life of NASA mathematician Katherine Johnson in a simple, age-appropriate way that will help children develop word recognition and reading skills. Includes a timeline, primary sources, and other informative backmatter."--Provided by publisher.

A biography of Katherine Johnson, a brilliant mathematician who worked at NASA in the early 1950s until retiring in 1986, and whose calculations--done by hand--helped plan the trajectories for NASA's Mercury and Apollo missions, including the Apollo 11 moon landing.

A biography of African American NASA mathematician Katherine Johnson.

A biography of African American NASA mathematician Katherine Johnson.