Across
- 4. Known as the "Father of Algebra" for his Arithmetica, which introduced algebraic notation.
- 6. A commentator on Euclid’s Elements and a philosopher of mathematics.
- 10. The "Father of Geometry," author of Elements, the foundational geometry textbook.
- 14. Studied irrational numbers and contributed to Platonic solids.
- 15. Best known for the Pythagorean Theorem in geometry.
- 17. Studied the isoperimetric problem, which relates perimeter and area optimization.
- 18. of Miletus, One of the first Greek mathematicians, known for Thales' theorem in geometry.
- 19. of Rhodes, One of the first historians of mathematics, documenting early Greek contributions.
- 20. of Perga, Known for conic sections (ellipse, parabola, hyperbola).
Down
- 1. Estimated the Earth's circumference and influenced later mathematical astronomy.
- 2. of Samos, Developed an early heliocentric model of the solar system.
- 3. Made significant contributions to trigonometry and developed an early star catalog.
- 5. of Alexandria, A mathematician and philosopher known for her work on conic sections and geometry.
- 7. Known for Archimedean principles in physics, calculus-like methods, and inventions.
- 8. of Alexandria, known for Heron's formula to calculate the area of a triangle.
- 9. Accurately measured the circumference of the Earth and created the sieve of Eratosthenes for prime numbers.
- 11. A Pythagorean philosopher who worked on mathematical concepts related to harmonics.
- 12. of Chios, Advanced early geometry, including the quadrature of the lune.
- 13. Wrote Introduction to Arithmetic, an early work in number theory.
- 16. of Pitane, Made important contributions to spherical geometry and astronomy.