Who directed 'Before Sunrise' (1995)?

Who directed 'Boyhood' (2014)? Who directed 'Dazed and Confused' (1993)? Who directed 'School of Rock' (2003)? In what year was 'School of Rock' released? Who directed 'Office Space' (1999)? Who directed 'Zoolander' (2001)? In what year was 'Zoolander' released? Who directed 'Tropic Thunder' (2008)?