Possible Clues:

• Sir Malcolm —, composer
• 1780s turncoat
• Historian Toynbee
• Another poet upset Landor
• Schwarzenegger of film and politics
• Break run in the past with old golfer or film star on first name terms
• A service provided by ancient headmaster of yesteryear
• Run into a former headmaster
• Benedict or Tom
• Actor/politician Schwarzenegger