Main Page | See live article | Alphabetical index Ambrogio Lorenzetti (or Ambruogio Laurati) (c. 1290 - 1348) was a Sienese painter. He was active between approximately 1317 and 1348. He was born and died in Siena. His brother was the painter Pietro Lorenzetti. His work shows the influence of Simone Martini, although it is more naturalistic. Ambrogio's works include Virgin and Child Enthroned (1319) San Procolo altarpiece (1332) Franciscan Martyrdom at Bombay (c.1336), fresco at San Francesco, Siena Frescoes at the Palazzo Pubblico in Siena. These frescoes are composed of Effects of Good Government on Town and Country, Allegory of Good Government and Allegory of Bad Government and its Effects on Town and Country Santa Petronilla Altarpiece (1340s) He is believed to have died of bubonic plague circa 1348/9. Giorgio Vasari includes a biography of Lorenzetti in his Lives. Good Government (left), Bad Government (right) Circa. 1328 This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.