Possible Clues:

• Sir Terence --, playwright 1911-77
• Playwright and artist with dry Scotsman grabbing last of seating
• He wrote with Miss Edna in mind
• Dramatist with cane holding soldier up
• See 7
• Sir Terence --, 1911-77, English dramatist
• Terence ____ wrote The Browning Version and Separate Tables
• Terence --, author of the play 'Separate Tables'
• Surname of the playwright whose works include The Winslow Boy and The Browning Version
• Dramatist's mutant giant rat