Answer:
Option B.
Explanation:
Hippocrates, is the right answer.
Hippocrates gave more focus on observing things and for his medical practices, he based his study on the human body. He retained an idea that disease had a natural and a logical reason. By saying this, he denied all the theories that the diseases were caused by superstitions and by the possession of evil spirits. He was the first physician who believed that environmental factors play an important role in causing diseases.
