The article presents the life and achievements of Doctor Antonio Grossich, the head of the Department of surgery and gynecology of the Civic hospital in Rijeka. He wrote several liter¬ary works, but deserves to be remembered for his clinical and experimental work on antiseptic and aseptic procedure. He introduced the method of painting the operative field with 10 % iodine tincture at first in traumas, then in general surgery. The method, for its rapidity, efficacy and not expensive had soon a worldwide success. He also participated actively in the political life of Rijeka before and after the World War I.