When Did Ivan Martin Jirous Die?

Ivan Martin Jirous was a Czech poet and dissident, best known as the artistic director of the Czech psychedelic rock group The Plastic People of the Universe, and later one of the key figures of the Czech underground during the communist regime. He is more frequently known as Magor, which can be roughly translated as "shithead", "loony", or "fool", a nickname given to him by the experimental poet Eugen Brikcius.