Who was the first to observe Plasmodium in the RBC of patient of malaria ?

Options

A. Edward Jenner
B. Ronald Ross
C. Laveran
D. Louis Pasteur

Answer

To answer the question "Who was the first to observe Plasmodium in the RBC of a patient of malaria?", we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the scientist who first observed the Plasmodium parasite in the red blood cells (RBCs) of malaria patients.

2. **Review the Options**: The options given are:
- Edward Jenner
- Ronald Ross
- Charles Laveran
- Louis Pasteur

3. **Analyze Each Option**:
- **Edward Jenner**: He is known for developing the smallpox vaccine. His work is unrelated to malaria or Plasmodium.
- **Ronald Ross**: He discovered that malaria is transmitted by the female Anopheles mosquito, but he did not observe Plasmodium in RBCs.
- **Charles Laveran**: He is credited with the first observation of the Plasmodium parasite in the RBCs of malaria patients in 1880.
- **Louis Pasteur**: He was a microbiologist known for his work in fermentation and pasteurization, not for malaria research.

4. **Identify the Correct Answer**: Based on the analysis, the correct answer is **Charles Laveran**, as he was the first to observe Plasmodium in the RBCs of malaria patients.

5. **Conclusion**: The first scientist to observe Plasmodium in the RBC of a patient of malaria is **Charles Laveran**.

### Final Answer:
**Charles Laveran**

---