Which of Pablo Picasso 's circle purchased an El Greco for a fairly low price ?
From 1906 to 1909 Pablo Picasso 's paintings explored the impact of Primitivism through Iberian sculpture , African sculpture , African traditional masks , and other historical works including the Mannerist paintings of El Greco , resulting in his masterpiece " Les Demoiselles D'Avignon " and the invention of Cubism .