Out of the storm & strife of what Mexicans still refer to as "the revolution"a confused and confusing mixture of banditry, adobe-hut Marxism, nationalism and agrarian reform which has been seething for 30 yearsrose three great revolutionary artists. Their lurid propaganda paintings (reaching Mexico's illiterate peons far more effectively than printed words) covered walls from Nuevo Leon to Yucatan and revived the art of fresco painting on a scale unequaled since the Italian Renaissance. The three: stocky, effusive Diego Rivera; grim, brooding José Clemente Orozco; pallid, green-eyed, conspiratorial David Alfaro Siquieros.
When,...