Contagium vivum fluidum was proposed by

Options

A. DJ Jvanowsky
B. MW Beijernek
C. Stanley
D. Robert Hook

Explanation

To answer the question "Contagium vivum fluidum was proposed by," we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Term**: The term "contagium vivum fluidum" translates to "contagious living fluid." This term is historically significant in the study of viruses.

2. **Identifying the Options**: The options provided are:
- A) DJ Javonsky
- B) M.W. Bijornk
- C) Stanley
- D) Robert Hook

3. **Analyzing Each Option**:
- **Robert Hook**: Known for discovering cells, particularly in cork. He did not propose the term in question.
- **M.W. Bijornk**: Proposed the term "contagium vivum fluidum," which refers to the nature of viruses.
- **DJ Javonsky**: A botanist who contributed to the understanding of viruses but did not propose this specific term.
- **Stanley**: A chemist known for his work on the origin of life, unrelated to the term in question.

4. **Conclusion**: Based on the analysis, M.W. Bijornk is the correct answer as he proposed the term "contagium vivum fluidum."

### Final Answer:
**M.W. Bijornk**

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