Conversation so far:
How did the election make an impact on Hugh Trevor-Roper's history?
In 1980 at the age of 67, Hugh Trevor-Roper became Master of Peterhouse, the oldest and smallest college in the University of Cambridge.
What did Hugh Trevor-Roper accomplish as Master of Peterhouse?
Women were admitted into Peterhouse in 1983 at Hugh Trevor-Roper's urging.
What were the women admitted to at Hugh Trevor-Roper's urging?
Women were admitted into Peterhouse in 1983 at Hugh Trevor-Roper's urging.
What were the women admitted to at Hugh Trevor-Roper's urging?
Women were admitted into Peterhouse in 1983 at Hugh Trevor-Roper's urging.
Are there any other interesting aspects about Hugh Trevor-Roper?
In a review of Adam Sisman's 2010 biography of Trevor-Roper, the Economist wrote that picture of Peterhouse in the 1980s was startling.
Why was Peterhouse in the 1980s startling?
The college had become under Cowling's influence a sort of right-wing lunatic asylum, who were determined to sabotage Trevor-Roper's reforms.
What else was Hugh Trevor-Roper able to accomplish in his position at peterhouse?

Question: What did he do after retirement?
Self-contained rewrite: What did Hugh Trevor-Roper do after retirement?