Collector and philanthropist George R. Kravis II has cultivated one of the preeminent collections of industrial design. He established the Kravis Design Centre in Tulsa, Oklahoma, to make his collection available to a wide public. He was a communications entrepreneur, who forged a career in radio broadcasting, and went on to own several radio stations. George Kravis is brother to Henry Kravis, the billionaire co-founder of Kohlberg, Kravis Roberts, one of the largest private equity firms in the world. Penny Sparke is Dean of the Faculty of Art, Design & Music and a Design History professor at Kingston University in London. She has written extensively on historic and contemporary design and has curated exhibitions, including The Plastics Age at the V&A Museum in London.