Pritzker family
His work is also in hundreds of private collections including those of the former president of Italy Alessandro Pertini, Elizabeth Sackler, Jose Frentes Antunes, the Pritzker family, Connie Brittan, and Amalie Rothschild. Many catalogs and interviews have been made about his work and he has been written about by Mario de Micheli, Grace Gleuck, Joachim Burmeister, Carol Becker, and Laura Castro among others.