Fred Alan Wolf (born December 3, 1934) is an American theoretical physicist specializing in quantum physics and the relationship between physics and consciousness. He is a former physics professor at San Diego State University, and has helped to popularize science on the Discovery Channel. He is the author of a number of physics-themed books including ''Taking the Quantum Leap'' (1981), ''The Dreaming Universe'' (1994), ''Mind into Matter'' (2000), and ''Time Loops and Space Twists'' (2011).