Introduction, Pisa Cathedral, Siena Cathedral, Florence Cathedral.
Pietro Matracchi is an architect and associate professor of Architectural Restoration (ICAR/19) at the Department of Architecture of the University of Florence. In 2017 he was awarded the national academic qualification of Full Professor. He has been a supervisor for many Master's degree dissertations on Architecture at the University of Florence and several in Building-Architectural Engineering at the University of Perugia.Luca Giorgi has been an architect and associate professor of Architectural Restoration (ICAR/19) at the University of Florence since 2001. He taught as assistant professor on the "Monuments Restoration" and "Architectural Restoration" courses from 1983 to 2001.