1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

3. Who invented Radiocarbon ?

Answer:

Willard Libby

4. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

5. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

6. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

7. Who invented Laser ?

Answer:

Charles H. Townes