Child psychology and animal psychology are of relatively slight importance, as compared with the sciences which deal with the corresponding physiological problems of ontogeny and phylogeny.

In 1879 Wundt founded the first formal laboratory for psychological research at the University of Leipzig. He is widely regarded as the "father of experimental psychology". Wilhelm Maximilian Wundt (16 August 1832 – 31 August 1920) was a German physician psychologist physiologist philosopher and professor known today as one of the founding figures of modern psychology.