I cannot let Robin Baird-Smith’s article “Joined-up thinking”(16 May) pass without adding to his list of well-known priests who were “astonishingly successful at bringing in converts” the name of Fr Robert Wingfield-Digby SJ of Farm Street Church of the Immaculate Conception in Mayfair, central London. I used to visit as many Catholic churches in London as I could when I was working there, and at this church I came across a leaflet offering instruction courses in the Catholic faith. I had felt for some time that my destiny was in the Catholic Church, so I knocked on the door of the Jesuit House and arranged to join one of Fr Wingfield-Digby’s evening classes.He, too, was a convert and had a very informal and disarming way of imparting information and ex