Name the scientists who discovered:
Chloroplast

Explanation

**Step-by-Step Solution:**

1. **Identify the Scientist**: The scientist who discovered chloroplasts is Hugo von Mohl.

2. **Year of Discovery**: He made this discovery in the year 1837.

3. **Description of Discovery**: Hugo von Mohl identified chloroplasts as discrete bodies within the green parts of plants, which are crucial for photosynthesis.

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