FROM THE BEGINNING OF TIME

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Across
  1. 2. local schoolmaster and natural historian,
  2. 4. 'pathologicalidiot'.
  3. 7. walking on all fours
  4. 8. flake tools and hand axes
  5. 9. planned hunting butcher
  6. 10. professor of anatomy at Bonn University
  7. 14. Lascaux and Chauvet
  8. 15. evolution of skull
Down
  1. 1. Heidelberg
  2. 3. Origin of Species
  3. 5. the upright man
  4. 6. Lake Eyasi
  5. 10. the tool maker
  6. 11. thinking man
  7. 12. organisms breed to produce fertile offspring
  8. 13. indicates controlled use of fire
  9. 16. mary and Louis Leakey