[Career and work of Dr. Jiro Tsuboi, a hygienist]

The author recorded the career and work of Dr. Jiro Tsuboi, a hygienist and the first dean of the medical school, Kyoto Imperial University. He was born in 1862 as a son of Dr. Tameharu Tsuboi, a famous medical educator. After graduation from Tokyo University Medical School, he entered the Department of Hygienics of his mother school. In 1890, he went to Germany, and studied under Dr. Max von Pettenkofer at Ludwig Maximillians University in Munich. He also learned tuberculin therapy for tuberculosis from Dr. Robert Koch in Berlin. After he returned to Japan, he worked as a hygienist for various social needs, including serving as a committee member for mineral pollution at Ashio copper mine. In 1899, he was appointed Dean of the medical school, Kyoto Imperial University. Though he exerted himself for the school, he died at the age of 41 in 1903. His scientific contribution comprises both hygienics and bacteriology. Because of his early death, his attainment remained limited.