Possible Clues:

• Norwegian dramatist (Hedda Gabler)
• Peer Gynt's creator
• Writer sadly begins to lose force
• Dramatist having some lines bigot brought up
• Author who wrote The Railway Children turned up short of time
• Northernmost destination of Longfellow
• ''Peer Gynt'' creator
• Peer Gynt creator
• His supporters believe in ghosts
• Playwright uses some scripted 'ad lib' (sensation)