Andrzej Ajnenkiel (21 February 1931 – 10 April 2015) was a Polish historian. He specialized in the political history of Poland and the history of Polish law, especially constitutional law. He was a son of Stefan and Janina. From 1949 to 1954 Ajnenkiel studied law at the University of Warsaw. Since 1979 Ajnenkiel had been a professor at the Institute of History at the Polish Academy of Sciences in Warsaw. In 1991 he gained a professor degree, the highest academic degree in Poland, and later a habilitation. He was a member and director of several historical societies, including the Polish Historical Society. Works Historia ustroju Polski 1764-1939 (1969) Administracja w Polsce: zarys historyczny (Administration in Poland: Historical Overview) (1975) Parlamentaryzm II Rzeczypospolitej (1975) Od rządów ludowych do przewrotu majowego: zarys dziejów politycznych Polski 1918-1926 (1977) Polska po przewrocie majowym: zarys dziejów politycznych Polski 1926-1939 (Poland after the May Coup: Overview of the Political History of Poland 1926-1939) (1980) Polskie konstytucje (Polish Constitutions) (1991) Prezydenci Polski (Presidents of Poland) (1991) Konstytucje Polski w rozwoju dziejowym 1791-1997 (2001) Footnotes External links Profile at Nauka Polska portal 20th-century Polish historians Polish male non-fiction writers University of Warsaw alumni 1931 births 2015 deaths Writers from Warsaw Historians of Poland Recipients of the Order of Polonia Restituta Burials at Bródno Cemetery