In 1938, Albert Hofmann synthesized lysergic acid diethylamide (LSD) while researching ergot alkaloids, marking a pivotal moment in the field of psychoactive substances. Initially, Hofmann sought to create a medication for various ailments, but the compound's profound psychological effects were discovered serendipitously. LSD would later play a significant role in the counterculture movements of the 1960s and has since been studied for its potential therapeutic applications in mental health.

The synthesis of LSD paved the way for research into altered states of consciousness, influencing Beat poets like Allen Ginsberg and Gregory Corso. Their works explored perception, mysticism, and expanded awareness, often reflecting the transformative experiences associated with psychedelics.