1. Who discovered the vaccine?
2. Who discovered penicillin?
3. Who discovered the living cell for the first time?
4. Who was the man who discovered vitamins?
5. The microscope An important tool was discovered by:
6. The battery for storage was invented by:
7. Who discovered radioactivity?
8. X-rays were discovered by:
9. Neutrons were discovered by:
10. Electrons were discovered by: