Marian Zyndram-Kościałkowski

Prime Minister of the Second Republic of Poland

16 March 1892 Pandėlys, Kovno Governorate, Russian Empire

12 April 1946(1946-04-12) (54) Brookwood, United Kingdom

13 October 1935 – 15 May 1936

Marian Zyndram-Kościałkowski (Polish pronunciation:  ; 16 March 1892, Pandėlys, Kovno Governorate – 12 April 1946 Brookwood, Surrey) was a Polish politician, freemason and military officer who served as voivode of Białystok Voivodeship in 1930-1934, Mayor of Warsaw in 1934 and 27th Prime Minister of Poland from 1935 to 1936.