Possible Clues:

• Some retired academics
• I get weary, me - it's another way for those who've retired!
• Professors once deserve to be put inside (ie retired)
• Honorary title holders
• Retired educators
• Retired academics get on my nerves, making comeback at institute
• Retired professors from Cambridge ultimately deserve one
• Professors discharged, ie elevated and retaining worth
• The merit in protecting old professors
• Retired professors showing worth in European institute