Explanation:

- Option 1, Gautam Buddha: Known as the "Light of Asia" because of his teachings and influence throughout the Asian continent.

- Option 2, Jesus Christ: Not commonly referred to as the "Light of Asia." Known as a central figure in Christianity.

- Option 3, Prophet Mohammad: The founder of Islam, not typically called the "Light of Asia."

- Option 4, Swami Vivekananda: A Hindu monk and spiritual leader, known for his role in introducing Indian philosophies to the Western world, but not the "Light of Asia."