First civilized man is supposed to be neanderthal man/cromagnon man.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the first civilized man, specifically whether it was the Neanderthal man or the Cro-Magnon man.

2. **Defining Civilized Man**: Civilized man is typically characterized by the development of society, use of tools, establishment of housing, and methods of food production.

3. **Neanderthal Man**:
- Neanderthal man existed approximately 300,000 years ago.
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