Step 1: Understanding the question.
This question is asking about the founder of human geography. Carl Ritter is considered the father of human geography, but Friedrich Ratzel is often referred to as the one who coined the term and established it as a field.
Step 2: Analyzing the options.
(A) रेट्जेल: Correct — Friedrich Ratzel is considered the founder of human geography, emphasizing the relationship between humans and their environment.
(B) हंटबॉल्ट: Alexander von Humboldt is known for his work in physical geography, not human geography.
(C) रिटर: Carl Ritter is also a key figure in geography but is not considered the founder of human geography.
(D) ब्लास: This is incorrect, as no prominent geographer named Blass is known for this title.
Step 3: Conclusion.
The correct answer is (A) रेट्जेल, as he is regarded as the founder of human geography.