Kristine McKenzie Gentry
Kulturkreise ( culture circle or culture center ) is an early 20th-century German diffusion theory based on the belief that a cultural trait evolved in a specific area and then grew to encompass additional societies. According to this theory, the areas in which cultural traits evolved can be identified and the diffusion of the traits can be mapped. The work of Friedrich Ratzel (1844–1904) served as a motivating force for kulturkreise. Leo Frobenius (1873–1938), a student of Ratzel, developed the culture circle theory, and Fritz Graebner (1877–1934), a German ethnologist, utilized this theory in many of his studies on societies throughout the ...