Kazimiers Piechowski is one of just 144 prisoners to have resisted and escaped Auschwitz and to survive his escape.
Piechowski was born in Poland in 1919. He was arrested in 1939 and survived imprisonment in Sanok, Nowy Wiśnicz, and Krakow. He was transfered to Auschwitz in 1940. After spending some time in the Ukraine after escape, Piechowski joined the partisan Polish Army and fought the Nazis.
Here is a link to an article for more research:
1. http://collections.ushmm.org/search/catalog/irn45137
2. http://www.yadvashem.org
3. http://www.jewishvirtuallibrary.org
Note: The first link is a oral history interview with Kazimierz Piechowski.