Permissions and Acknowledgments

• Dummett: The picture of Dummett is used with the permission of Robert S. Kissel.
• Imagery and Imagination: The initial photo of the Grand Canyon was taken by Jim Gordon from Biloxi, MS, USA in 2008. It is licensed under the Creative Commons Attribution 2.0 License. 
• Knowledge Argument: The picture of Frank Jackson is (c) D H Mellor 2005, and used with permission of Mellor.
• Santayana: The picture of Santayana is used with permission of James Turnure.
• Truth: The picture of Alfred Tarski is used with permission of the editor of the Polish Philosophy Page at: http://www.fmag.unict.it/PolPhil/Tarski/Tarski.html
• Zizek: The photographer is Mariusz Kubik.