Istvan Zelenka (30/07/1936 - 03/01/2022), a Hungarian composer, born in Budapest. He is a Hungarian-born Austrian, later Swiss composer; b. Budapest. After training in Budapest, he pursued studies at the Vienna Academy of Music, where he received 1st prize in composition in 1962. In 1960 he became a naturalized Austrian citizen. He later settled in Switzerland and became a naturalized Swiss citizen in 1976. In addition to working as a producer and programmer of music for the Radio Suisse Romande (from 1978), he lectured on contemporary music at the Geneva Cons, (from 1980). In 1982 he was a co-founder of the group Digitalismus, and in 1983 of the collective private publishing venture Edition Zwachen. In his music, Zelenka has followed an experimental course, utilizing various contemporary techniques.

Istvan Zelenka, born in Budapest; musical studies
1956 - Emigrates to Vienna
1960 - Austrian citizenship
1962 - Geneva: Sound engineer, LPs
1966 - Marries Kati
1976 - Swiss citizenship
1976 until 2001 - Radio Suisse Romande: musical director/producer
1978 until 1991 - Responsible for a radio musical trend magazine
1981 until 2001 - Heads courses at Geneva Conservatory
Compositions of philophonic urban spaces (performance networks), chamber music, orchestra, musical theatre, electro acoustics, 'pièces de s'écoute', texts etc..
1995 - Debut as a performer
2000 - Debut as a computer aided painter
2002 - First exhibitions