In April 1943, Dr Albert Hofmann, a Swiss biochemist, dissolved a few micrograms of a newlysynthesized drug, d-lysergic acid diethylamide (LSD), in a glass of water and drank it. Three-quarters of an hour later, he recorded a growing dizziness, some visual disturbances and a marked desire to laugh. After about an hour he asked his assistant to call a doctor and accompany him home from his research laboratory at the Sandoz Pharmaceutical Company in Zurich, Switzerland. He then climbed onto his bicycle and went on a surreal journey. In Hofmann's mind he was not on the familiar road that led home, but rather a street painted by Salvador Dali, a funhouse roller coaster. When he arrived home a doctor was ordered and found Hofmann physically fine, but mentally distraught.

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