Who proposed the theory of chemosynthetic origin of life?

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the individual who proposed the theory of chemosynthetic origin of life.

2. **Defining Origin of Life**: The origin of life refers to the process by which simple primordial life forms emerged from non-living matter.

3. **Explaining Chemosynthetic Origin of Life**: The theory of chemosynthetic origin of life suggests that life on Earth began through a series of chemical reactions involving simple substances in water.

...