Robert Earnest Hume, PhD (1877–1948), was an India-borne American Indologist and professor of the History of Religions at Union Theological Seminary, New York. Other than the translation of The Thirteen Principal Upanishads (1921), Hinduism and War (1916), The World’s Living Religions (1924) and Treasure-house of the Living Religions (1932) are his major works.