Stavros I. Balogiannis is Professor Emeritus of Neurology and former Director of the 1st Neurological Clinic of the Aristotle University of Thessaloniki (1992-2011). He studied Medicine and Theology and specialized in Neurology, Psychiatry and Neuropathology. He was trained on fellowships at the National Hospital in London and at the Université Catholique de Louvain in Belgium, then at the University of Pennsylvania, USA, in the field of Neuropathology. He was involved in the study of the subtle texture of degenerative diseases of the nervous system, the study of synaptogenesis and myelinogenesis on tissue culture, the study of neuronal plasticity of the cerebellum and for twenty years in research on the etiopathogenetic background of Alzheimer's disease. He taught as a visiting professor at the Medical School of the Democritus University, at the Theological School of the Aristotle University of Thessaloniki and at the Department of Psychology of the Faculty of Philosophy of the Aristotle University of Thessaloniki. He has worked and taught as a visiting professor at Yale, Tufts and Harvard Universities in the USA. In 1987 he served as head of a medical mission in Kenya, practicing clinical medicine and teaching tropical neurology at the undergraduate and postgraduate levels.9 November 2023. He passed away at the age of 79.