Fibonacci Day

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Across
  1. 3. Mathematician who invented a namesake number sequence
  2. 8. A winged insect that collects nectar and pollen
  3. 9. A rectangle whose sides follow the golden ratio
  4. 10. An Italian structure known for its odd architecture
Down
  1. 1. Number system that Fibonacci popularized in Europe
  2. 2. A hard oval fruit from a pine tree that has the golden spiral in it
  3. 4. A type of broccoli
  4. 5. A small string instrument
  5. 6. A ratio between two numbers that equals approximately 1.618
  6. 7. Very famous and influential composer from Austria