1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented Television ?

Answer:

John Logie Baird

3. Who invented Laser ?

Answer:

Charles H. Townes

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

7. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945