Later the ancient Egyptians wore copper jewelry as a status symbol and to ward off evil spirits. Now Tiffany & Co. is trumpeting that, in honor of its 175th anniversary, modern-day alchemists have made a new precious metal to adorn the wrists, fingers and necks of its wealthy clientele.
Wilhelm Wundt opens first experimental laboratory in psychology at the University of Leipzig, Germany. Credited with establishing psychology as an academic discipline, Wundt's students include Emil Kraepelin, James McKeen Cattell, and G. Stanley Hall.
Jung (yoÍong), Carl Gustav 1875-1961. Swiss psychiatrist who founded analytical psychology. Among his innovative ideas are the concepts of extraversion and introversion and the notion of the collective unconscious. Jung's works include The Psychology of the Unconscious (1912) and Psychological Types (1921).