[2][3][4] An Anglo-Catholic, he was opposed to the ordination of women, seeing it as an issue that needed examination at an ecumenical level.
The period also saw the creation of the Nine O'Clock Service within one of the diocese's churches.
Initially this seemed to be a successful attempt to broaden the appeal of the church, but in the end the project collapsed and required strong leadership from Lunn to heal the resulting wounds.
[5] After retirement, during which he settled at Wetwang, he became an assistant bishop in the Diocese of York in 1991.
[6] Lunn wrote a multi-volume history of the area covered by the diocese including Rivers, Rectors and Abbots and Kings, Canals and Coal.