Feb 10, 1923: Justice Sutherland rules "Hindus" are "aliens ineligible to citizenship" in United States vs. Bhagat Singh Thind (261 US 204) What is less well-known is that Bhagat Singh Thind remained in the U.S., completed his Ph.D., and delivered lectures in metaphysics all across the nation. Basing his lessons on Sikh philosophy, he enriched his teaching with references to the scriptures of several religions and the work of Emerson, Whitman, and Thoreau. He campaigned actively for the independence of India from the British Empire, and helped Indian students in any way he could. In 1931, he married Vivian Davies and they had a son, David, to whom several of his 15 books are dedicated. "You must never be limited by external authority, whether it be vested in a church, man, or book. It is your right to question, challenge, and investigate." Ironically, Dr. Thind applied for and received U.S. citizenship through the state of New York within a few years of being turned down by the U.S. Supreme Court." (Courtsey PBS)