Born 1920 in Osijek, Croatia. Studied chemistry (1938–1941 and 1946–1949, grad. 1949) at the University of Zagreb, physics at the University of Zagreb (from 1950), and nuclear physics at University College London (1956–1958). 1958–1960 researcher at the Commissariat à l’Énergie Atomique (CEA), Centre Fusion Controlée, Fontenay-aux-Roses, FR. 1961 director of the laboratory for physics and chemistry of ionized gases, later the laboratory for ionized gases at the Ruđer Bošković Institute, Zagreb. From 1965 lectures at the University of Zagreb. He lives in Zagreb.
- Z. Š., “High Current Glow Discharge with Electrolyte as Cathode,” in: Proceedings of the International Conference on Gas Discharges London, 1970, pp. 68–71.
- Z. Š. and P. Tomaš, “Excitation Processes in Helium Induced by Impact of Deuterons and Protons,” in: Physical Review, vol. 124, no. 3, 1961, pp. 810–813.