Rivera was a Mexican mural painter. In Europe, he was influenced by the paintings of El Greco and Goya and closely associated with Cézanne and Picasso. Convinced that his art belonged to the populace and should be displayed in public spaces, he returned to Mexico in 1921 and painted, with the assistance of younger artists, large murals dealing with the life, history, and social problems of Mexico. He later completed several murals in the US. Rivera was twice married to what famous artist? Discuss
Source: The Free Dictionary