1. Who invented "DNA"?
James Watson and Francis Crick
2. Who invented "DNA test"?
Watson and Crick
3. Who invented "Dry Cell"?
Georges Leclanche
4. Who invented "Dynamite"?
Alfred Bernhard Nobel
5. Who invented "Dynamo"?
Michael Faraday
6. Who invented "Electric Battery"?
Count Alessandro Volta
7. Who invented "Electric Iron"?
Henry Seely
8. Who invented "Electric Lamp"?
Thomas Alva Edison
9. Who invented "Electric Motor"?
Michael Faraday
10. Who invented "Electro Cardiography"?
William Einthoven
11. Who invented "Electromagnet"?
William Sturgeon
12. Who invented "Electron"?
Thomson
13. Who invented "Electron microscope"?
Knoll and Ruska
14. Who invented "Fountain Pen"?
Lewis Edson Waterman
15. Who invented "Frequency Modulation (FM)"?
Edwin Howard Armstrong
16. Who invented "Galvanometer"?
Johann Salomo Cristoph Schweigger
17. Who invented "Gliders"?
Sir George Cayley
18. Who invented "Gramophone"?
Thomas Alva Edison
19. Who invented "Guided Missile"?
Wernher vonBraun
20. Who invented "Gunpowder"?
Roger Bacon