1. Psychology as an independent field of study. He is one of the first and most famous originator of the program of development of psychology as an independent science.
Wundt argued that psychology has its own laws: a). the law of creative synthesis, b).the mental relationships law, c). the law of contrast, d). heterogony of ends (purposes) (Heterogonie der Zwecke).
In addition to the associative relationship between the elements, he introduced apperceptive connections , which is identified with the attention and will, connecting the separated elements into a coherent whole.
In 1862 at the University of Heidelberg he also offered the first course ever taught in scientific psychology.
2. Physiological psychology. He proposed a plan for the development of physiological psychology as a special science, using the method of laboratory experiment.
His Principles of Physiological Psychology (1874), was the first textbook that wasever written in the field of psychology
3. Experimental psychology. He is regarded as the founder of experimental psychology. Introduced into psychology the experimental method of investigating conscious processes as well as the use of introspection.
4. First psychologist laboratory. Founder of the first research psychologist laboratory (1879) at the University of Leipzig.
5. First journal of psychology. Founder of the first journal of psychology “Philosophical studies” (1881), from 1903 “Psychological studies”.
6. Cultural-historical psychology. A pioneer in the development of cultural-historical psychology and the Psychology of people (in German - Völkerpsychologie), which he understood as the doctrine of the social basis of the higher mental activities.
7. The method of investigating of higher mental processes (along with the experiment and introspection) is to analyze the manifestations of the human spirit and creative activity: language, fairy tales, myths, custom, art and religion.
Wundt's notable ideas: “the theory of actuality”, the “principle of psychophysical parallelism”, “voluntarism”, “creative resultants".
During the years at Leipzig, Wundt supervised 186 doctoral dissertations in various disciplines and taught over 24,000 students. Among his prominent students were: Oswald Külpe, Edward Titchener, James McKeen Cattell, Charles Spearman, G. Stanley Hall, Charles Hubbard Judd, Lightner Witmer and Hugo Munsterberg, Russian psychologists Vladimir Bekhterev and Ivan Pavlov.
Wundt's system were developed by his student, Edward Titchener, who named his system as structuralism.
He graduated as doctor of medicine from the University of Heidelberg (1856). There he was appointed lecturer in physiology and in 1858 he became an assistant to the physicist and physiologist Hermann von Helmholtz (1858 - 1865). In Heidelberg he wrote Contributions to the Theory of Sense Perception (1858–1862).
In 1867 he became a professor in acquainting medical students with the exact physical needs for medical investigation. In 1871 Helmholtz moved to Berlin , and Wundt was passed over as Helmholtz’s replacement.
In 1874, he became a professor of "Inductive Philosophy" at the University of Zurich.
In 1875, Wundt moved to Leipzig where he worked as professor at the University of Leipzig (1875–1917). He staied and worked there for the next 42 years and it was the most productive phase of his career. There, in 1879, Wundt opened the first laboratory ever to be exclusively devoted to psychological studies. In Leipzig he also established the Institut fur Experimentelle Psychologie (1879). During 1889–90 he worked as a Rector of Leipzig University.
His interest in psychology was inspired by Ernst Weber (1795–1878) and Gustav Fechner (1801–1887), who worked at Leipzig.
In 1917 he retires from teaching.
In 1867 Wundt met Sophie Mau (1844–1912). She was the eldest daughter of the Kiel theology professor Heinrich August Mau.
They married on 14 August 1872 in Kiel.
The couple had three children: Eleanor (1876–1957 ), Lily (1880–1884), and Max Wundt (1879–1963), who became a philosopher.
Wilhelm Wundt died on 31 August 1920, in Großbothen near Leipzig at the age of 88.