Andrzej Tadeusz Paweł Suchcitz is a Polish historian, archivist and publicist. He is a specialist in modern Polish history and military affairs. After 36years as Keeper of Archives of the Polish Institute and Sikorski Museum and the Polish Underground Movement Study Trust he is retiring on 31 October 2025. As of 1st November 2025, Ms. Jadwiga Kowalska M.A. has been appointed Keeper of Archives of the Polish Institute and Sikorski Museum.