Mary Jackson: Crossword Puzzle

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Across
  1. 4. NASA's first Black female engineer's first name?
  2. 5. How long did Mary Jackson work at NASA?
  3. 7. Title of the book chronicling Mary Jackson's accomplishments?
  4. 8. Mary Jackson's occupation before becoming NASA's first Black female engineer.
Down
  1. 1. Type of tunnel where Mary Jackson worked with 60,000 horsepower?
  2. 2. Who did Mary Jackson work with?
  3. 3. Mary Jackson's position after attending a training program at NASA?
  4. 6. State where Mary Jackson was born in 1921?