Dr Łukasz P. Ratajczak – assistant professor at Faculty of Educational Studies, Adam Mickiewicz University, Poznan (Poland). Educationalist, he did his PhD in social studies, in the field of pedagogy. Member of the research Group on Youth Pedagogy, set up by the Pedagogy Committee of Polish Academy of Science. His research interests are focused on the youth experience of premature parenthood, as well as on biographical determinants of taking parental role, particularly the role of father.