David Cycleback is an art and artifacts scholar working in the areas of authenticity, theoretical cognitive science and philosophy, and is an internationally known authentication expert. He was a three-time Eric Hoffer Award Finalist and Finalist for the International Book Award for Art for his books Art Perception, Return Trip: Aesthetics and Epistemology and Conceits: Cognition and Perception. Reprinted by Beijing's Three Shadows Art Center, his guides Judging the Authenticity of Prints by the Masters and Judging the Authenticity of Photographs were the first comprehensive books on the subjects published in China. He has advised and authenticated artifacts for major institutions, was a writer for the standard academic reference Encyclopedia of Nineteenth-Century Photography and teaches courses in art authentication. His other books include Noise Music; Cognitive Psychology and the Limits of Knowledge; A Brief Introduction to Ancient Counting Systems for Non-Mathematicians; Identifying Antique Commercial Printing Processes And The Basics of Authenticating Antique and Art Prints; and Identifying Common Materials in Antiques. He has been been cited by the Australian National Archives, Museum of Innovation and Science, Indiana Historical Society, The Jewish Theological Seminary, Saylor Academy, Encyclopedia of Journalism, University of Wisconsin (The Scout Project), Columbia University Computer Music Center, University of California Center for Learning in the Arts and Sciences and Sydney University (Business of Art).