1. Who invented "Motion Picture Camera (Kinetograph)"?
Thomas Alva Edison
2. Who invented "Motorcycle"?
G Daimler of Cannstatt
3. Who invented "Mumps"?
Maurice Hillman
4. Who invented "Natural Radioactivity"?
H Becquerrel
5. Who invented "Neon"?
Sir William Ramsay and M.W. Tavers
6. Who invented "Neon Lamp"?
Georges Claude
7. Who invented "Neutron"?
J Chadwick
8. Who invented "Nitroglycerin"?
Ascanio Sobrero
9. Who discovered "North Pole"?
Robert Peary
10. Who invented "Nuclear Reactor"?
Enrico Fermi
11. Who invented "Nucleas in Atom"?
Rutherford
12. Who invented "Nylon"?
Wallace Hume Carothers
13. Who invented "Open Heart Surgery"?
Walton Lillehel
14. Who invented "Optical Fibers"?
Narinder S. Kapany
15. Who invented "Oral Contraceptive pills"?
Gregory Pincus
16. Who invented "Parachute"?
AJ Garnerin
17. Who invented "Pendulum Clock"?
Christiaan Huygens
18. Who invented "Penicillin"?
Sir Alexander Fleming
19. Who invented "Petrol Car"?
Karl Benz
20. Who invented "pH scale"?
Sorenson