Pietro Lorenzetti: Pioneer of Naturalism in Siena Pietro Lorenzetti, born around 1280 and tragically dying in 1348 during the devastating Black Death pandemic, remains a pivotal figure in the evolution of Italian painting. Often referred to as Pietro Laurati – a misreading by Vasari that obscured his familial connection – he was a Sienese painter whose work marked a significant departure from the prevailing Byzantine-influenced style…