1889-1963 1909-1981 1917- 1921-2007 20thcentury alaska arcticnationalwildliferefuge authors biography correspondence descriptionandtravel endangeredecosystems environmentalaspects franz frontierandpioneerlife fühmann german germany grieshaber hannsmann koch mitscherlich murie naturalhistory petroleum pioneers politicsandgovernment prospecting sources womenpsychoanalysts