Ambrogio Lorenzetti

Ambrogio Lorenzetti (; – after 9 August 1348) was an Italian painter of the Sienese school. He was active from approximately 1317 to 1348. He painted ''The Allegory of Good and Bad Government'' in the Sala dei Nove (Salon of Nine or Council Room) in Siena's Palazzo Pubblico. His elder brother was the painter Pietro Lorenzetti. Provided by Wikipedia