Name the scientist who proved the mutagenic role of X-rays.

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Question:** The question asks for the name of the scientist who demonstrated the mutagenic effects of X-rays.

2. **Defining Mutagenic Role:** Mutagenic role refers to the ability of certain agents, known as mutagens, to cause changes or mutations in the genetic material (DNA) of organisms. These changes can lead to variations in traits and may result in diseases, including cancer.

3. **Identifying Mutagens:** X-rays are a type of radiation that can act as a mutagen. They are known for their ability to penetrate tissues and can cause damage to the DNA within cells.

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