The Mystery of Pope Gregory IV and the Square Halo

Align LeftI was contacted recently by a reader, a priest who had concelebrated a Station Mass at San Marco di Campidoglio in Rome. He had notice a square halo on one of the figures in the 9th century mosaic in the apse and wanted to know the reason for this. The figure, he told me, was Pope Gregory IV. A square halo signifies that the person portrayed was alive at the time of its creation. Although this church was founded long before Pope Gregory himself lived, he was responsible for much rebuilding, the bulk of what we see today. This is why, I am guessing, he is also portrayed carrying a church. We see also a very clear example of what my teacher Aidan Hart always referred to as hierarchical perspective. The most important figure portrayed, Christ, is by far the largest. Also we see the Evangelist himself is putting his arm around the Pope in a touching detail that gives more of a sense of personal tenderness than one normally associates with iconographic mosaics of this type.

This is church is not always open to the public so it is interesting to have this insight into the interior.

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David is an Englishman living in New Hampshire, USA. He is an artist, teacher, published writer and broadcaster who holds a permanent post as Artist-in-Residence and Lecturer in Liberal Arts at the Thomas More College of Liberal Arts. The Way of Beauty program, which is offered at TMC, focuses on the link between Catholic culture, with a special emphasis on art, and the liturgy. David was received into the Church in London in 1993. Visit the Way of Beauty blog at thewayofbeauty.org.

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