===His later years===In his later years, painters such as Perugino and Luca Signorelli frequently visited his workshop.
V Urbinu Piero sreča slikarje Melozzo da Forli, Fra Carnevale in Flamca Justusa van Genta (ali Joos van Wassenhove ali Giusto di Gant), matematika Fra Luca Paciolija, arhitekta Francesca di Giorgio Martinija in verjetno tudi Leona Battista Albertija.