 Foundoulaki asserts that Picasso "completed ... the process for the activation of the painterly values of El Greco which had been started by Manet and carried on by Cézanne".The expressionists focused on the expressive distortions of El Greco.According to Franz Marc, one of the principal painters of the German expressionist movement, "we refer with pleasure and with steadfastness to the case of El Greco, because the glory of this painter is closely tied to the evolution of our new perceptions on art".