István Vida is a historian, D.Sc., and professor at the Loránd Eötvös University of Budapest. His main fields of interest are the history of political parties in Hungary between 1918 and 1989, especially the history of the Independent Party of Smallholders (FKgP), and the history of foreign affairs in Hungary 1939–1989. For the collection of the Foundation for Contemporary Research, he collected biographical data on members of parliament.