Zachary Fisk is an American condensed matter physicist and distinguished professor at the physics and astronomy department at University of California, Irvine. Fisk attended Harvard University and graduated with a Bachelor's degree in physics in 1964. He received his PhD in physics at the University of California, San Diego in 1969. In 1972, Fisk became a part of Bernd T. Matthias' research group at UCSD. There, Fisk researched superconductivity and refined crystal synthesis techniques. In 1980, after Matthias died, Fisk was recruited by Los Alamos National Laboratory. Fisk became a professor at the physics and astronomy department at University of California, Irvine in 2006 and is currently a distinguished professor and professor emeritus there.
Fisk has received multiple awards for his work, including the International Prize for New Materials in 1990, the Ernest Orlando Lawrence Award in 1991, and the Bernd T. Matthias Prize in 2015. He is a member of the American Academy of Arts and Sciences, the National Academy of Sciences, the American Physical Society and the American Philosophical Society.