Maciej Karalus (born 1974) is a passionate and independent researcher of World War II history, and particularly of the battle for Festung Poznań in 1945. In 2003, together with Jarosław Jerzak, he published Armoured Assault Reserve – Poznań 1945, which has launched a series devoted to the events of Festung Posen in 1945. The series contributed significantly to the growing interest in the history of the battle for Poznań. Since 2002, he has been an active member of the POMOST (Bridge) Association for the Polish-German reconciliation, and publisher of POMOST Publishing House since 2007.