Universal Thinker Puzzles

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Across
  1. 5. Newton's three principles of modern physics is called ___
  2. 6. Created a telescope, discovered the 4 moons of Jupiter
Down
  1. 1. Developed mathematical proof that the planets revolve around the sun
  2. 2. Well known for his discoveries in optics and calculus
  3. 3. Well known as the father of Chemistry
  4. 4. Theorized the heliocentric theory