Abstract: (Considerations on the limits of biographical research in the political sphere) Political biographies represent a genre with a long tradition in scientific literature. They reconstruct the political destiny of important historical figures by utilizing mainly new documentary sources and specific instruments designed for interdisciplinary research. Political biographies are of great importance both scientifically and in terms of public impact. They bring to the fore the characterological profile of those who are active in the field of political power. The biography also constitutes an act of memory education and a good pretext for alternative historiographical interpretations. This paper attempts to analyze the relevance of political biographies in the historical scientific literature. While choosing the biographical subject and, subsequently, during the reconstruction of various identity dimensions, historians have to overcome dilemmas and even circumstantial impediments. Contexts leave their mark not only on politicians from different eras but also on those who try to reconstruct their political lives. We are therefore dealing with a double determinism, articulated with different intensities on different levels. In light of these factors (and sometimes even in spite of them) there are still brilliant political biographies, true examples of documentary patience and ethical balance.