Mathematicians

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Across
  1. 3. First iranian female mathematician to receive field medal
  2. 7. calculated first accurate calculation of pi
  3. 9. developed field of fluid dynamics
  4. 11. Founder of graph theory
  5. 13. calculated the size of earth
  6. 16. inventor of algebra
  7. 17. Developer of math behind complex waves.
  8. 18. Gave general method to find solution of Pell's Equation.
  9. 19. Author of elements of geometry
  10. 20. Proposed 23 problems for the 20th century
Down
  1. 1. Discovered quaternions
  2. 2. Introduced symbols to algebra
  3. 4. Defined laws of fall and pendulum
  4. 5. inventor of planar coordinates
  5. 6. invented Boolean algebra and logic
  6. 8. founder figure of set theory
  7. 10. Famous for incompleteness theorem
  8. 12. leading figure of fractal geometry
  9. 14. Developed trigonometry
  10. 15. proved fermat’s theorem