We remember the passing of John Wilson Moore, Professor Emeritus of Neurobiology at Duke University, on March 30, 2019, at the age of 98. John Moore was a biophysicist and pioneer in the field of computational neuroscience. The digital textbook Neurons in Action, co-authored with his wife Ann Stuart after his retirement, is widely used nationally and internationally. John and Ann have long been supporters of undergraduate research in the Grass lab and at the MBL. See here for more information about John.