Japanese naturalist and bureaucrat.
Tanaka Yoshio (田中 芳男; 27 September 1838 – 22 June 1916) was a Japanese civil servant and naturalist. Born to a doctor of Traditional Chinese Medicine in Iida, Shinano Province, Tanaka studied pharmacognosy in his youth with Keisuke Ito. In 1861 he moved to Edo and joined the Bansho Shirabesho (Office for the Investigation of Foreign Documents) the following year. In this job, he worked on the documentation of local produce. He was part of the Japanese delegation at the 1867 Exposition Universelle in Paris, where he exhibited a number of entomological specimens; this journey also gave him the o