Jacopo (Giacomo) da Pietrasanta, Italian stonemason and architect. He was active in Rome in the second half of the fifteenth century. He came from a family of marble workers and masons, and worked on behalf of all the Roman Pontiffs from Nicholas V to Innocent VIII. His main work is the completion and expansion of the church and convent of Sant'Augustino in Rome, commissioned by the French Cardinal Guillaume d'Estouteville. //