Kawamoto Kōmin
Kawamoto Kōmin (川本 幸民; 1810 – June 1, 1871) was a 19th-century Japanese scholar of Rangaku and doctor. His true name was Yutaka (裕), art name Yuken (裕軒). His father was Kawamoto Shuan (川本 周安), a clan doctor of Sanda Domain. Today he is known as a "father of chemistry in Japan" thanks to his works.
He published various publications on science and technology such as Kagaku Shinsho (化学新書). Based on his specialized knowledge, he test-manufactured sugar, matches, and daguerreotype, which contributed to the development of technology in Japan. He is assumed to have brewed beer for the first time in Japan. He is also noted as the first person to have used the Sino-Xenic term kagaku (化学) for chemistry now standard for Japanese and other influenced Eastern languages.