Dennis J. McKenna

Dennis Jon McKenna born December 17 1950 is an American ethnopharmacologist research pharmacognosist lecturer and author He is the brother of wellknown psychedelics proponent Terence McKenna and is a founding board member and the director of ethnopharmacology at the Heffter Research Institute a nonprofit organization concerned with the investigation of the potential therapeutic uses of psychedelic medicines Description above from the Wikipedia article Dennis McKenna licensed under CCBYSA full list of contributors on Wikipedia