"Extraordinary Ideas-Realized" by James Turrell. Zumtobel Group Annual Report 2014 / 2015. The report features important installations by the artist from the various periods of his oeuvre. An extensive photographic documentation of Turrell’s installations is accompanied by essays and dialogs with experts from the fields of astronomy, physics, art history and medicine. As well as evidencing the diversity and depth of James Turrell’s work, the Zumtobel Group Annual Report is the first to feature images of his Skyspaces in Japan and Tasmania and includes previously unpublished material on his earlier works.