Mark Geyer reflects on a life in psychedelic research, connecting early influences from Huxley to later work linked to the Heffter Research Institute

Mark Geyer reflects on a lifelong path through psychedelic research, tracing how early intellectual influences shaped his later work in the field. The timeline connects figures and ideas associated with early modern psychedelic thinking (starting with Aldous Huxley) to later institutional and research efforts connected with the Heffter tradition. Geyer situates these influences as stepping stones that helped turn curiosity into sustained experimental and scientific practice. His perspective links personal research experience to broader field changes, emphasizing how advances in methodology, clinical or laboratory contexts, and growing mainstream attention affected the way psychedelic science has been conducted and understood over time.