Question: Where was the name taken from of several units of the Polish Air Force throughout its history most famously the founder of the Kościuszko Squadron during the Polish–Soviet War and was a Soviet prisoner of war for a time?

Context paragraphs:
Edmund Pike Graves: Edmund Pike Graves (March 13, 1891 – November 22, 1919) was an American aviator, United States Air Force and Polish Air Force officer, the latter as a member of the Kościuszko Squadron.

Air Force of the Polish Army: The Air Force of the Polish Army (Polish: "Lotnictwo Wojska Polskiego" ), unofficially known as the People's Polish Air Force was the name of the Soviet-controlled Polish Air Force in the USSR between 1943 and 1947 created alongside the Polish People's Army (Polish: "Ludowe Wojsko Polskie" ), a subordinate to the Red Army.  It was the primary Polish air force formation within the Polish Armed Forces in the East during World War II.

Merian C. Cooper: Merian Caldwell Cooper (October 24, 1893 – April 21, 1973) was an American aviator, United States Air Force and Polish Air Force officer, adventurer, screenwriter, film director, and producer.  Cooper was the founder of the Kościuszko Squadron during the Polish–Soviet War and was a Soviet prisoner of war for a time.  He was a notable movie producer, and got his start with film as part of the Explorers Club, traveling the world and documenting adventures.  He was a member of the board of directors of Pan American Airways, but his love of film always took priority.  During his film career, he worked for companies such as Pioneer Pictures, RKO Pictures, and Metro-Goldwyn-Mayer.  He is also credited as co-inventor of the Cinerama film projection process.  Cooper's most famous film was the 1933 movie "King Kong".  He was awarded an honorary Oscar for lifetime achievement in 1952 and received a star on the Hollywood Walk of Fame in 1960.

No. 315 Polish Fighter Squadron: No. 315 (City of Deblin) Polish Fighter Squadron (Polish: 315 Dywizjon Myśliwski "Dębliński" ) was a Polish fighter squadron formed in Great Britain as part of an agreement between the Polish Government in Exile and the United Kingdom in 1941.  It was one of several Polish fighter squadrons that fought alongside the Royal Air Force during World War II.  It was named after the city of Dęblin, where the main Polish Air Force Academy has been located since 1927.

6th Infantry Division (Poland): Polish 6th Infantry Division (Polish: "6.  Dywizja Piechoty" ) was a unit of the Polish Army in the interbellum period, which fought in the Polish–Ukrainian War, Polish–Soviet War and Polish September Campaign.  It was formed on May 9, 1919, in the area around Kraków, its first commandant was Colonel Ignacy Pick.  Between 1919 and 1920, the unit fought Ukrainian troops in eastern part of former Galicia.  Then, it participated in the Polish–Soviet War, halting the advance of Soviet First Mounted Army led by General Semyon Budyonny.  Several soldiers were after the conflict awarded with various orders, including the Virtuti Militari.  In 1921, when hostilities ended, the Division returned to its bases – headquarters and most regiments were stationed in Kraków, some other regiments were garrisoned in Tarnów and Wadowice.

111th Fighter Escadrille (Poland): The 111th Fighter Escadrille of the Polish Air Force (Polish: "111.  eskadra myśliwska" ) was one of the fighter units of the Polish Army.  Created in 1921, immediately after the end of the Polish-Soviet War, the unit inherited the traditions of the famous war-time Polish 7th Air Escadrille (known as the Kościuszko Squadron), in which both Polish and American volunteers served.

Squadron 303 (book): Squadron 303 (Polish: "Dywizjon 303" ) written by Polish author Arkady Fiedler became his most famous and popular book, selling over 1.5 million copies.  Written in 1940, published in 1942, the book is about the legendary No. 303 ("Kościuszko") Polish Squadron (Polish: 303 Dywizjon Myśliwski "Warszawski im.  Tadeusza Kościuszki") of Polish Air Force fighter pilots who flew with Great Britain's Royal Air Force (R.A.F.) during the Battle of Britain.

Tadeusz Sawicz: Tadeusz Władysław Sawicz (13 February 1914 – 19 October 2011) was a Polish World War II fighter pilot.  He served in the Polish Air Force, and after the fall of Poland, he served in the Polish and allied units in France and United Kingdom.  He was the commander of several air units, including the No. 315 Polish Fighter Squadron, 1st Polish Fighter Wing, 3rd Polish Fighter Wing, 131st (Polish) Fighter Wing and 133rd Fighter Wing.  He participated in the Battle of Britain and was ranked as the 82nd highest scoring Polish fighter pilot of the war.

Polish 7th Air Escadrille: Polish 7th Air Escadrille (Polish: "7.  Eskadra Lotnicza" ), better known as the Kościuszko Squadron, was one of the units of the Polish Air Force during the Polish-Soviet War of 1919-1921.  Formed in late 1918, it was re-formed in late 1919 from US volunteers.  It was one of the most active Polish squadrons in the war.

Kościuszko's Squadron: The name Kościuszko's Squadron or Kościuszko's Escadrille, taken from the Polish-Lithuanian hero Tadeusz Kościuszko, has been borne by several units of the Polish Air Force throughout its history.  Each used the insignia designed by Eliott Chess, an American pilot serving with the Polish Army during the Polish-Soviet War.  One of the most famous pilots was Merian C. Cooper, producer of the 1933 movie King Kong, who was decorated for valor by Polish commander-in-chief Józef Piłsudski with the highest Polish military decoration, the Virtuti Militari.  During WW II the Kościuszko Squadron was formed by refugee Polish pilots who joined the RAF and played an essential role in helping save England during the Battle of Britain and of their betrayal by the United States and England at the end of World War II.

Supporting paragraphs: Kościuszko's Squadron Merian C. Cooper
Answer: Tadeusz Kościuszko