he turned his energy to the art of ceramics. From 1947 to 1950, he pursued new methods of lithography.The l950's saw the beginning of a number of large retrospective exhibits of his works. During this time he began to paint a series of works conceived as free variations on old master paintings. In the 1960's, he produced a monumental 50-foot sculpture for the Chicago Civic Center. In 1970, Picasso donated more than 800 of his works to the Berenguer de Aguilar Palace Museum in Barcelona. Pablo Picasso died on April 8, 1973 in Mougins, France at the age of 91. ...