Nyorai mberi kweiyi ndima - Pierre (kana kuti Pietro) Mezzara akavawo muvezi, asi akatamira kuUnited States, zvichida nemhaka yeCalifornia Gold Rush. Aigara muSan Francisco, uye aizivikanwa nokuda kwebasa rake somunhu aicheka mifananidzo. Akagadzira chifananidzo chokutanga chokuyeuka Abraham Lincoln. Yakatsaurirwa (mujira) muSan Francisco muna 1866, uye yakaparadzwa (mubhuronzi) nekudengenyeka kwenyika kweSan Francisco kwa1906
. Pietro Mezzara aibatanidzwa neCalifornia Art Union neSan Francisco Art Association, uye akabatsira kuwana San Francisco Chikoro cheKugadzira.