A separate American diffusionist school of thought, led by Clark Wissler and Alfred Kroeber (both students of Boas), also arose in the first few decades of the twentieth century.
二十世纪的头几十年,美国也出现了一个相对独立的播学派,
领军
物是ClarkWissler和AlfredKroeber(二者皆为Boas学生)。