Explanation:

- Option 1: Dayanand Saraswati

- He proposed that Aryans originated from the region near Tibet, and thus is known for the Tibet-home theory.

- Supported a Vedic origin of the Aryans with emphasis on the Indian subcontinent and Tibet region.

- Option 2: Bal Gangadhar Tilak

- He suggested the Arctic home theory of the Aryans, not the Tibet theory.

- Option 3: MacDonell

- Associated more with scholarly work on Vedic texts, not specifically with the Tibet-home theory.

- Option 4: Max Muller

- He is known for advocating the Central Asian origin of Aryans.

Correct Answer: Option 1 – Dayanand Saraswati is associated with the Tibet-home theory of Aryans.