If you want to know more
Charles Ray Eames (1972). Design Q&A. "Qu'est ce que le design?", Musée des Arts Décoratifs, Palais du Louvre.
John Zimmerman, Jodi Forlizzi Shelley Evenson (2007). Research Through Design as a Method for Interaction Design Research in HCI. CHI 2007.
Nigel Cross (2003). Designerly Ways of Knowing. Birkhauser Architecture.
Robert Grudin (2011). Design and Truth. Yale University Press.
Anthony Dunne Fiona Raby (2001). Design Noir: The Secret Life of Electronic Objects. Birkhäuser Basel.