Available BOOKS Playing with Ludwig Nikolaus Gansterer & Klaus Speidel Nikolaus Gansterer & Klaus Speidel €26.54 In Playing with Ludwig. Figures of Thinking, artist Nikolaus Gansterer and philosopher Klaus Speidel address fundamental questions of sense-making in language and visual forms. In a playful dialogue with the writings of Ludwig Wittgenstein, they tackle subjects like pain and pictures, colour and imagination, death and the materiality of language. Add to cart