engineering cross world puzzle

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Across
  1. 5. Murray Hopper
  2. 6. Tesla
  3. 8. and Orville Wright
  4. 9. Szilard
  5. 10. Robert Goddard
Down
  1. 1. Kingdom Brunel
  2. 2. Ford
  3. 3. da vincil
  4. 4. Proteus Steinmetz
  5. 7. Edison