Jerzy Bogdan Cynk (11 May 1925 – 18 November 2016) was a Polish-British historian, journalist and writer, author of numerous English and Polish language publications on aviation of Poland.
During World War II he was a soldier of the Szare Szeregi and the Home Army.
Arrested by the Gestapo in 1943, he was imprisoned in the infamous Pawiak prison and then sent to Auschwitz concentration camp.
In September of that year he joined the Polish II Corps and briefly served in counter-intelligence in Northern Italy.
He also collaborated regularly with the Polish Section of BBC and the Radio Free Europe.