Psychology emerged as a new science towards the end of the 19th century. One of its early pioneers, Wilhelm Wundt (1832-1920), helped establish the experimental branch of psychology and secure it as an empirical science. He had studied physiology and philosophy and, during the course of his life as a researcher, prepared the foundations for a «Physiological Psychology». Wundt’s 1874
Date: Between 1874 and 1893, psychologist Wilhelm Wundt introduced two different colour-systems in his lectures.
Country of origin: Germany
Basic colours: Green, blue, purple and yellow; b) Yellow, blue and red
Form: a) Sphere — b) Cone
Bibliography: W. Wundt, «Grundzüge der physiologischen Psychologie», Leipzig 1874; W. Wundt, «Vorlesungen über die Menschen- und Thierseele», Leipzig 1893; E. G. Boring, «Sensation and Perception in the History of Experimental Psychology», New York 1942