Presented are the life and work of historian and Associate Professor Olga Janša-Zorn. Briefly are described her childhood and schooling. These follows the presentation of her occupations from elementary teacher to university professor, but also her activities in the Association of the historical societies of Slovenia. After these her research is presented with the reference to all her major works in the fields of historiography, economic history, history of tourism and education. In conclusions, some biographical information is presented together with her personality characteristic.