カール・ハウスホーファー
The organization achieved great support among the educated middle and upper class; it promoted German nationalist consciousness, especially among ethnic Germans outside Germany. In his three-volume work, "Deutsche Politik" (1905–07), Hasse called for German imperialist expansion in Europe. The Munich professor Karl Haushofer, , and Hans Grimm (author of the novel "Volk ohne Raum") preached similar expansionist policies.