download Mastguru Android App

Article Detail

  • Who invented Vitamin K ?

    Answer: Doisy Dam of U.S.A. in 1938.

Similar Questions :

1. Who invented Microphone ?


Emile Berliner invented the first microphone in 1876.

2. Who invented Locomotive ?


George Stephenson was first to buit steam locomotives.

3. Who invented Radiocarbon ?


Willard Libby

4. Who invented Air Conditioning ?


Willis Carrier in 1902

5. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

6. Who invented Neutron bomb ?


Samuel T. Cohen



7. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

Read more from - Important Inventions
Post a comment