Anthropology : $b [a lecture delivered at Columbia University in the series on science, philosophy and art, December 18, 1907]

In this compelling lecture, a pioneering scholar sketches the sweeping landscape of early twentieth‑century anthropology. He clarifies why the discipline reaches beyond individual anatomy to explore how climate, geography, and social organization shape the diverse traits of human groups. Listeners are invited to consider the tangled web of biological, environmental, and cultural forces that give rise to distinct peoples.

The talk stresses that anthropology cannot be divorced from biology or psychology; the patterns of body, mind, and habit emerge together as peoples adapt to food, temperature, and contact with neighbors. By tracing the origins of these variations, the speaker shows how migration, isolation, and population density leave lasting marks on societies. The result is a clear, thought‑provoking portrait of humanity’s shared roots and its many branches, perfect for anyone curious about what makes us alike and what sets us apart.