This paper discusses the theories underlying Walter Gropius’ conception of science. Starting with “Is There a Science of Design?” written by Gropius in 1947, the influences of Ganzheitspsychologie and the New Look on Perception are traced. In particular, the contribution of Earl C. Kelley is analyzed. Subsequently, Gropius’ phenomenological approach, insights on expressive qualities, and the relationship between man- environment are discussed. Finally, the influences of Gestalt theory and spiritualistic psychology on Gropius’s conception of science and perception are outlined.

Summary The present paper introduces the theoretical conceptualization of perceptual communication through expressive qualities. Initially, the difference with respect to the modality of perceptual communication mediated by signs is analyzed. Conversely, the theory of expressive qualities reflects the psychological conception of direct perception: any assumption of a cognitive stage of representation is excluded. Perceptual communication immediately expresses the specific character of the structural essence of the object. The structural essence is well studied by the perceptual paradigms of Experimental Phenomenology. Plurivocity, (...) the case in which the same objects can share many expressive characters, is also considered. (shrink)