1909-1975 20thcentury biography casestudies citizenparticipation criticismandinterpretationtakeda criticismandinterpretation武田泰淳 dāmōdaran environmentalaspects environmentalpolicy facultyuniversitätbonn germanists germany(west) günther haller hart history jungbluth ke lawandlegislation michigan nationalparksandreserves planning politicsandgovernment rudolf taijun unitedstates