1. Archimedes - Archimedes screw, calculated pi
2. Babbage, Charles - Mechanical computer
3. Baird, John Logie - Television
4. Bell, Alexander G. - Telephone
5. Cai Lun - Paper
6. Da Vinci, Leonardo - Many inventions and prototypes
7. Diesel, Rudolf - Diesel engine
8. Edison, Thomas - Light bulb, phonograph, motion picture camera and more!
9. Fleming, Alexander - Penicillin
10. Franklin, Benjamin - Lightning rod, bifocals
11. Galileo - Reflecting telescope
12. Gutenberg, Johannes - Printing press
13. Michelin, Edouard - Pneumatic tire
14. Morse, Samuel - Morse code
15. Newton, Sir Isaac - Powerful telescope
16. Nobel, Alfred - Atomic bomb
17. Oppenheimer, J. Robert - Atomic bomb
18. Pasteur, Louis - Pasteurization
19. Strauss, Levi - Blue jeans
20. Tesla, Nikola - Fluorescent lighting, Tesla coil, induction motor, AC electricity
21. Turing, Alan - Computer
22. Volta, Alessandro - Battery
23. Watt, James - Steam engine
24. Whitney, Eli - Cotton gin
25. Wright Brothers - Powered airplanes
Parent Tip: Review the logic above to help your child master the concept of world history worksheets.