Original: Albert Hofmann ( January 11 , 1906 -- April 29 , 2008 ) was a Swiss scientist best known for having been the first to synthesize , ingest and learn of the psychedelic effects of lysergic acid diethylamide ( LSD ) .
Simplified: Albert Hofmann ( born January 11 1906 in Baden , Switzerland - died April 29 2008 in Burg im Leimental , Switzerland ) was a Swiss scientist best known for having invented Lysergic acid diethylamide ( LSD ) .