Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of the City of Pienza' has mentioned 'Architect' in the following places:
Occurrence Sentence Text Source
The rebuilding was done by Florentine architect Bernardo Gambarelli (known as Bernardo Rossellino) who may have worked with the humanist and architect Leon Battista Alberti, though there are no documents to prove it for sure.
Renaissance town-planning concepts were first put into practice when Pope Pius II enlisted the architect Bernardo Rossellino to transform his birthplace.
Rossellino applied the principles of his mentor, Leon Battista Alberti, a humanist thinker and architect,