History of aspirin Hermann Hildebrandt). In 1894, the young chemist Felix Hoffmann joined the pharmaceutical group. Dreser, Eichengrün and Hoffmann would be the key figures in the development of acetylsalicylic acid as the drug Aspirin (though their respective roles have been the subject of some contention). In 1897, Hoffmann started working to find a less irritating substitute for salicylic acid. It is generally accepted that he turned to this idea because his father was suffering the side effects of taking sodium salicylate for rheumatism. In 1853, Charles Frédéric Gerhardt had published the first methods to prepare acetylsalicylic acid. In the course of his
Acid rock Acid rock Acid rock is a loosely defined type of rock music that evolved out of the mid-1960s garage punk movement and helped launch the psychedelic subculture. The style is generally defined by heavy, distorted guitars, lyrics with drug references, and long improvised jams. Its distinctions from other genres can be tenuous, as much of the style overlaps with '60s punk, proto-metal, and early heavy, blues-based hard rock. The term, which derives its name from lysergic acid diethylamide (LSD), is sometimes used interchangeably with "psychedelic rock", but may refer more specifically to a more musically intense subgenre or sibling to