Tivadar Rombauer was a less well-known, but important personality in Hungarian history. His entrepreneur career contains several business and technological innovations in iron industry, among which the foundation of the Metallurgical Factory in Ózd stands out. During the Revolution and War of Independence his role for managing arms supply nationwide is rarely emphasized by the regular commemorations of the most important historical momentum in Hungarian collective remembrance, although its relevance is undisputable. His Protestant Saxon origin interweaved with his patriotism resulted a typical Hungarian middle-class civic virtue, which never disappeared in later generations in the US, after his obligate immigration. In this study we scope on both the origins and influence of this valuesystem detailing Rombauer’s life-span, complemented with the family roots and some descendants’ fates.