Inventors & Inventions

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Across
  1. 4. Developed hundreds of uses for peanuts
  2. 5. Discovered radium and polonium
  3. 6. Known as the father of modern chemistry
  4. 7. Improved the steam engine
  5. 10. Invented the first battery
  6. 11. Invented dynamite and founded a prize
  7. 14. Developed the theory of relativity
  8. 15. Co-founded Apple and pioneered personal computers
  9. 19. Invented the safety razor
  10. 21. Created a steel-making process
  11. 22. Invented the internal combustion engine
  12. 24. Experimented with electricity and lightning
  13. 25. Built the first practical locomotive
  14. 27. Created the first practical pencil sharpener
  15. 28. Invented the printing press
  16. 31. Created a famous repeating rifle
  17. 32. Developed the telegraph and Morse code
  18. 33. Discovered electromagnetic induction
  19. 34. Developed the first breakfast cereal
  20. 35. Invented Graham crackers and promoted healthy eating
  21. 37. Revolutionized car production with the assembly line
Down
  1. 1. Developed pasteurization and vaccines
  2. 2. Developed rocket technology
  3. 3. Considered the first computer programmer
  4. 6. Created a reading system for the blind
  5. 8. Revolutioniz
  6. 9. Invented the first practical photography process
  7. 12. Invented the light bulb
  8. 13. Developed the diesel engine
  9. 16. Pioneered frozen food technology
  10. 17. Developed a powerful vacuum cleaner
  11. 18. Fastening device invented by Gideon Sundback
  12. 20. Invented the telephone
  13. 23. Cracked the Enigma code in WWII
  14. 26. Founded a famous bicycle company
  15. 29. Pioneer of alternating current electricity
  16. 30. Helped discover insulin
  17. 32. Developed wireless telegraphy
  18. 33. Built the first successful steamboat
  19. 36. Developed the first computer compiler