Following his exit from parliament after his failed Senat bid , Olszewski was appointed as deputy chairman of the State Tribunal between 2005 and 2006 . President Lech Kaczyński later appointed Olszewski as a presidential adviser in April 2006 , a position he held until Kaczyński 's death in the 2010 Smolensk air disaster . Olszewski was married to Marta Olszewska , a former activist , editor and journalist of '' Tygodnik Solidarność ''
2010 Smolensk air disaster
2010 Polish Air Force Tu-154 crash
Jan Olszewski