Ernst was a botanist , zoologist , metallurgist , chemist , geographer , travel writer , novelist , duellist , art collector and trailblazer in ethnopsychopharmacology .
Dr. Ernst Freiherr von Bibra 1854 ( 1806 -- 1878 ) was a German Naturalist ( Natural history scientist ) and author .
Naturalist was a Naturalist , zoologist , metallurgist , chemist , geographer , travel writer , novelist , duellist , art collector and trailblazer in ethnopsychopharmacology .
Dr. Ernst Freiherr von Bibra 1854 ( 1806 -- 1878 ) was a German Naturalist ( Natural history scientist ) and author .