Christof Koch is a German-American neurophysiologist and computational neuroscientist best known for his work on the neural basis of consciousness. He is the president and chief scientist of the Allen Institute for Brain Science in Seattle.His research focuses on understanding the mechanisms that give rise to consciousness and the relationship between brain activity and subjective experience. Koch's work encompasses a range of topics, including visual perception, attention, and the study of neural circuits. His collaborative efforts and use of cutting-edge technologies have led to significant insights into the nature of consciousness and its neural underpinnings