Dennis J. McKenna
Dennis Jon McKenna is an American ethnopharmacologist, research pharmacognosist, lecturer and author. He who has studied plant hallucinogens for over forty years. He earned his Master's degree in botany at the University of Hawaii, and his Doctorate in Botanical Sciences from the University of British Columbia. Since that time, he has conducted extensive ethnobotanical fieldwork in the Peruvian, Colombian, and Brazilian Amazon. He is the brother of well-known psychedelics proponent Terence McKenna. He is a founding board member and the director of ethnopharmacology at the Heffter Research Institute, a non-profit organization concerned with the investigation of the potential therapeutic uses of psychedelic medicines.
1 Books Written
The Brotherhood of the Screaming Abyss reveals the story of the McKenna brothers' eye-opening expedition to the Amazon in 1971 for psychedelic research. Once introduced by famed psychedelics advocate Timothy Leary as "one of the most important people on the planet," radical philosopher Terence McKenna was an iconic legend in the psychedelic community. He died in 2000, but his ideas live on in the