african american women physicists

A biography of Katherine Johnson, whose math skills used in her work at NASA were critical to the first space flights.

"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.

Examines the life of NASA mathematician Katherine Johnson in a simple, age-appropriate way that will help children develop word recognition and reading skills.

"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.