Writer revolutionary effect are Nicolaus Copernicus, who wrote "De revolutionibus orbium coelestium" (1543); Charles Darwin, who wrote "On the Origin of Species" (1859); and Sigmund Freud, who wrote "The Interpretation of Dreams" (1899). These three highly influential, and initially very controversial, works changed the way people understood their place in the world. Copernicus's heliocentric view of the cosmos displaced humans from their previously accepted place at the centre of the universe; Darwin's evolutionary theory placed humans firmly within, as opposed to above, the order of nature; and Freud's ideas about the power of the unconscious mind overcame the belief that humans
Psychoanalytic dream interpretation still exist. For example, the Boston Psychoanalytic Society and Institute Inc. still uses many forms of psychoanalysis, including the interpretation of dreams. For some supports, though, it is easy to become confused in all of the ideas of psychoanalysis and therefore have a hard time defending. This is part of what led to the decline of psychoanalysis and psychoanalytic dream interpretation as mentioned earlier. G. William Domhoff and David Foulkes consider the idea that free association gives access to the latent content of the dream to have been invalidated by experimental psychology, concluding that the method is just arbitrary. Psychoanalytic