Across
- 5. Louis ________: Developed pasteurization and vaccines for rabies and anthrax.
- 7. Sergei ________: Discovered chemosynthesis and the nitrogen cycle in bacteria.
- 8. Antonie van __________: First observed and described single-celled organisms using his microscope.
- 9. Paul _______: Developed the concept of the "magic bullet" and discovered the first treatment for syphilis.
- 10. Dimitri _________: Discovered the tobacco mosaic virus, leading to the field of virology.
Down
- 1. Lazzaro ________: Disproved spontaneous generation, supporting biogenesis.
- 2. Edward _______: Developed the first successful smallpox vaccine.
- 3. Martinus _________: Coined the term "virus" and researched nitrogen fixation.
- 4. Joseph _______: Introduced antiseptic techniques in surgery.
- 6. Robert _______: Identified the causative agents of tuberculosis, cholera, and anthrax.