Federica Goffi is a professor of architecture at the ASAU Carleton University, where she has taught since 2007. Goffi’s research concerns the renewal of buildings and questions the relationship between architecture and time. She authored Time Matter(s): Invention and Re-imagination in Built Conservation: The Unfinished Drawing and Building of St. Peter’s in the Vatican (Ashgate 2013).Prakash Patel is an American architectural photographer and architect. His work has been published in architectural journals and design media worldwide.