Giovanni di Paolo: A Visionary of Siena’s Mystical Landscape Giovanni di Paolo di Grazia, born around 1403 in Siena and tragically dying there in 1482, remains a captivating enigma within the history of Italian painting. Often dubbed “the El Greco of the Quattrocento,” he wasn't a revolutionary shattering artistic conventions, but rather a master of atmosphere and emotional intensity—a painter who meticulously preserved the spirit of…