Who was the pioneer of small pox vaccine ?

Options

A. Louis Pasteur
B. Edward Jenner
C. Selman Waksman
D. Alexander Fleming

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the pioneer of the smallpox vaccine.

2. **Review the Options**: The options provided are:
- Louis Pasteur
- Edward Jenner
- Selman Waksman
- Alexander Fleming

3. **Evaluate Each Option**:
- **Louis Pasteur**: Known for his work on germ theory and pasteurization, he developed the cholera vaccine but not the smallpox vaccine. Therefore, this option is incorrect.

- **Edward Jenner**: He is widely recognized as the pioneer of the smallpox vaccine. He conducted experiments that led to the development of the vaccine and is often referred to as the "father of immunology." This option is correct.

- **Selman Waksman**: He is known for discovering streptomycin, an antibiotic, not for any vaccine related to smallpox. Thus, this option is incorrect.

- **Alexander Fleming**: He is famous for discovering penicillin, which is an antibiotic and not related to the smallpox vaccine. Therefore, this option is also incorrect.

4. **Conclusion**: Based on the evaluation, the correct answer to the question is **Edward Jenner**.

**Final Answer**: Edward Jenner was the pioneer of the smallpox vaccine.

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