Born 1935 in Varaždin, Croatia. Studied architecture at the University of Zagreb (1960). 1959–1966 member of Gorgona. 1962–1966 lived in Paris. He moved to Montreal, in the 1960s, where he still lives. 1970 first experiments in computer visual research in art.
- 1961, Biennale des jeunes artistes, Paris.
- 1971, Computer Art Exhibition, Toronto.
- M. H., 5 sérigraphies, Montreal, 1971.