Abstract
Objective: The Author examined Mitsuru Uchiyama's life through the lens of the sense of mission and responsibility forged by encounters and partings.
Method: The posthumous collection of writings by Seiichi Okui, titled Life, was received from Mrs. Tomiko Okui. The information on Mitsuru Uchiyama’s words and thoughts was investigated using literature, books, websites, and other materials.
Results and Discussion: The study was divided into four periods: 1) From birth to student years: Born in 1930 as the eldest son in Hyogo Prefecture (present-day Ashiya City). In 1947, he entered the Science Otsu Course at the former Tokyo High School, graduating in March 1949. April 1949: Enrolled in the Faculty of Liberal Arts, Division II of Science at the University of Tokyo. On July 7, 1958, he was awarded a Doctor of Pharmacy degree from the University of Tokyo. His doctoral thesis Research on the Prevention of Internal Contamination by Radioactive Strontium was supervised by Professor Chunoshin Ukita of the University of Tokyo. Chunoshin Ukita passed away suddenly at the age of 57. 2) Tohoku University Years: Seiichi Okui was raised in a Christian family and maintained a faith based on I am the way, the truth, and the life (John 14:6). In 1965, Professor Seiichi Okui passed away at age 45. With this parting, Professor Mitsuru Uchiyama's worldview, scientific philosophy, and social theories were forged. 3) National Institute of Health Sciences era: Published Statement: What is Regulatory Science? 4) From the Society of Japanese Pharmacopoeia to the
Council on Pharmacists Credentials Pharmacist Certification System: Valuing encounters, constructing those sentiments into one's own words, encouraging and offering guidance to foster a sense of mission and
responsibility as a pharmacist, and contributing to the establishment of lifelong learning for pharmacists.