1. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

2. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

3. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

4. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

5. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

6. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

7. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table