Possible Clues:

• English drama critic Kenneth
• When any theatre is set up? Inside, you'll find drama critic
• 'The Seduction of Joe --'
• Ronan of the Irish Tenors
• Curtains raised by him in 1961
• Ronan of The Irish Tenors
• 'A critic is a man who knows the way but can't drive the car' (–)
• British critic Kenneth who created 'Oh! Calcutta!'
• It was curtains for the critic
• Drama critic Kenneth