1928 - 2011,
1921 - ,
1935 - ,
1908 - 2011,
1898 - 1986, Forschungsgebiete: Ethnobotanik, Ethnomykologie, Botanik, Anthropologie, "magic mushrooms"
1928 - 2011,
1921 - ,
1935 - ,
1908 - 2011,
1898 - 1986, Forschungsgebiete: Ethnobotanik, Ethnomykologie, Botanik, Anthropologie, "magic mushrooms"