Tasan, pen name of Chong Yagyong, 1762-1836. An advocate of openness in thought and leading light of the Sirhak philosophical movement.

American Philosopher and Professor of Anthropology at Columbia University best known for his work on shamanism, colonialism, and the wild man, the nervous system, mimesis, alterity, and the magic of the state.

Charles Taylor, b. 1931. Canadian philosopher known for his early commentary on Hegel and his involvement in the struggle for Quebecois self-determination. He is typically identified as a critic of contemporary liberalism.

Bernardino Telesio, 1509-1588. Calabrian humanist natural philosopher of the early modern period, a fierce critic of the reigning Aristotelian ideas.

Thales of Miletus, c. 640 BC- c. 545 BC. Noted Presocratic Greek philosopher, geometer and scientist, and foremost of the Milesian philosophers. Numbered among the Seven Sages of ancient Greece, he is also believed to have been the teacher of the later Milesian philosopher Anaximander. His philosophical teachings are often characterized as "all things are water."

Theophrastus (Theophrastos) of Lesbos, c. 372 BC - c. 287 BC. Pupil of Aristotle and leading member of the Peripatetic school after Aristotle's death. He is best remembered today as an early botanist.

Timon of Phlius, Greek Skeptic and disciple of Pyrrho, c.320 BC - c.230 BC. His works survive only as fragments.

Toegye, pen name of Yi Hwang (I Hwang), 1501-1570. A key interpreter of Chu Hsi's Neo-Confucian doctrine, known especially for his work on the distinction between *li* and *chi*.

Tu Weiming, b. 1940. Eminent contemporary Confucian scholar, widely viewed as the leader of the New Confucian movement.