1946 - 2000
Terence McKenna (1946-2000) was an American ethnobotanist, philosopher, and advocate for the exploration of altered states of consciousness through the use of psychedelic substances. He is known for his work on the cultural implications of psychedelics, as well as his theories about time, language, and the evolution of human consciousness. McKenna authored several books and delivered numerous lectures, making a significant impact on the fields of psychonautics and the understanding of plant-based substances.