国际英语新闻：Poland to hold second round of presidential election

Komorowski is regarded as a center-right candidate eager to push for political unity and a greater Polish presence in the European Union.

Born on June 4, 1952, Komorowski graduated from the University of Warsaw in 1977 with a history degree.

He is currently vice chairman of the Civic Platform party and has been parliament speaker since November 2007.

Jaroslaw Kaczynski (C), presidential candidate of Poland's Law and Justice Party (PiS) is surrounded by media as he leaves a polling station in Warsaw during presidential elections June 20, 2010.

The business-friendly, pro-EU party chose Komorowski as its presidential candidate in March, weeks before the plane crash in Smolensk.

Komorowski was defense minister from 2000 to 20001 and vice marshal of the parliament's lower house from 2005 to 2007.

Kaczynski, twin brother of the late president Lech Kaczynski, was born on June 18, 1949. As a child, Kaczynski starred along with his brother in the 1962 film "The Two Who Stole the Moon." He obtained a doctorate in law from the University of Warsaw in 1976.

Throughout the 1980s, Kaczynski was active in the Solidarity labor union. He served in parliament from 1991-93.