Stephen Macknik and Susana Martinez-Conde (husband and wife) are laboratory directors at the Barrow Neurological Institute (BNI) in Phoenix, Arizona, where they study various aspects of visual, sensory and cognitive neuroscience. They have collaborated with Teller (of Penn & Teller) in their academic work, and their research has appeared in numerous publications including the New York Times, New Scientist and Wired magazine.
