Classic General Knowledge Crossword

12345678
Across
  1. 5. - "To be, or not to be," for example (6)
  2. 6. - Shakespearean prince of Denmark (6)
  3. 7. - Capital of Japan (5)
  4. 8. - Opposite of night (3)
Down
  1. 1. HOLMES - Famous detective created by Arthur Conan Doyle (7,6)
  2. 2. -Greek philosopher who taught Alexander the Great (9)
  3. 3. - study of Earth's physical structure (7) - GEOLOGY
  4. 4. - Chemical element with atomic number 79 (4)