(Adnkronos) – The 81-year-old American artist, known internationally for his sculptures located all over the world and for his public installations, was invited to Milan by art critic Marco Eugenio Di Giandomenico, to participate in an exhibition at the Palazzo Marino about his friend and pupil Arvedo Arvedi, and he also gave a lecture at the Brera Academy. At Adnkronos he explains his vision of art and the artist