Famous black mathematician

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Across
  1. 3. the second black to earn a PhD in mathematics
  2. 7. Yale University, On Laguerre series in the complex domain
  3. 8. who made significant contributions to the field of numerical analysis
  4. 9. the first African American woman to earn a Ph. D. in mathematics
  5. 11. the third black woman to earn a PhD in mathematics
  6. 13. was instrumental in John Glenn's orbit around the moon in 1962.
  7. 14. an educator and mathematician the bulk of whose career was spent at Spelman College
Down
  1. 1. Mathematician, sociologist, columnist, essayist and scholar
  2. 2. a world-class American mathematician, mechanical engineer
  3. 4. made significant contributions to game theory
  4. 5. American mathematician specializing in topology.
  5. 6. known as a “human computer.”
  6. 10. the first African American to earn a Ph. D. in mathematics.
  7. 12. a self-educated mathematician, astronomer, and inventor.