Photograph shows Diego Rivera painting his mural "Man at the Crossroads ... two of Rivera's assistants noticed a dozen 50-gallon oil drums near the entrance to the RCA building.

Viewers of Antiques Roadshow were left in sheer amazement when a seemingly forgotten painting turned out to ... by the illustrious Mexican artist Diego Rivera, who was born in December 1886.

Diego Rivera is considered the greatest of the Mexican muralists, and the art form he helped pioneer has been imitated worldwide.

Before the Mexican artist Diego Rivera became famous for his monumental, socially engaged murals, he traveled to Europe and ...