MD & PhD. Lecturer; School of Hygiene of Pref. Gifu (2018～). Director, Public Health Center of Pref. Gifu Local Government (2012～2017). Assistant professor of Microbiology, Gifu University School of Medicine, Gifu, Japan (1979～2012). Visiting assistant professor of Medical Microbiology, University of California at Davis, USA (1988～1990). Microbiological study on pathogenesis of enteroinvasive Salmonella typhi and of neuroinvasive filterable nocardiae. Scientific concerning on the consciousness of microorganism and organism. Now on reading both of \'Capital\' (by Thomas Picketty) and of \'Looking for Spinoza; Joy, Sorrow, and the Feeling Brain\' (by Antonio Damasio) .