Born in Wereszyn in 1916, Mr Kornicki was unable to afford a university education, opting instead to join the Polish Air Force Academy in Dęblin as a cadet.
He served in Poland, France and Britain during the war, before going on to join the Royal Air Force.
The fighter pilot was one of hundreds of Polish airmen who retreated across Europe when the Nazis invaded the country in 1939.
In 1940, the pilot arrived in Britain, where he joined the 303 Squadron, one of 16 Polish squadrons in the Royal Air Force and the highest scoring during the Battle of Britain.
On July 23 1941, he famously led a group of British bombers over northern France where they shot down four enemy aircraft.
He described the experience in his