Jan Ciechanowski

Jan Maria Włodzimierz Ciechanowski (; 15 May 1887 – 16 April 1973) was a Polish economist and diplomat. He was the envoy of Poland to the United States from 1925 to 1929, and later the ambassador of Poland (Polish government-in-exile) to the United States from 1940 to 1945. From 1939 to 1940 he was the secretary-general of the Ministry of Foreign Affairs of Poland. Provided by Wikipedia