Péter Zwack, owner and president of Hungarian distiller Zwack died at the age of 85. Péter Zwack was a prominent person on Hungary’s economic and political scene, as he became the Hungarian ambassador to the USA, for which he even gave up his US citizenship. Besides being a businessman, he was also a member of the Hungarian parliament. Zwack produced the Hungarian herbal digestive liqueur Unicum. His two youngest children remain in the family business.