Across
- 5. Showed microorganisms cause disease
- 6. First to use ether as anesthetic
- 9. Developed smallpox vaccine
- 10. Invented the microscope
- 11. Discovered penicillin
- 13. First polio vaccine
Down
- 1. Father of medicine
- 2. Father of modern surgery
- 3. Invented stethoscope
- 4. Encouraged handwashing
- 7. Discovered X-rays
- 8. Started using antiseptics
- 12. Established sanitary nursing units