Russell L. Blaylock (born November 15, 1945) is an author and a retired U.S. neurosurgeon. Blaylock was a clinical assistant professor of neurosurgery at the University of Mississippi Medical Center and is currently a visiting professor in the biology department at Belhaven College. Blaylock has endorsed views inconsistent with the scientific consensus, including that food additives such as aspartame and monosodium glutamate (MSG) are excitotoxic in normal doses.