High Quality Content by WIKIPEDIA articles! Dr. Ernst Freiherr von Bibra (9 June 1806 in Schwebheim – 5 June 1878 in Nuremberg) was a German Naturalist (Natural history scientist) and author. Ernst was a botanist, zoologist, metallurgist, chemist, geographer, travel writer, novelist, duellist, art collector and trailblazer in ethnopsychopharmacology.