1. Who invented Transformer ?

Answer:

Ottó Bláthy

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.