Eishin Osaki(1920-2015) is a Japanese underwater photographer, archaeologist, and woman shell diver ,AMA, cultural researcher. Graduated from Chuo University as an economics major, and went to Tokyo University of Arts as an oil painting major but left the university. In 1838 he studied from the leading Treasure diver, Mr.Yumihachi Kataoka, and worked at Navy Hydrographic Department, after the WWII, he became a pupil of Younosuke Natori. He has taken parts in many under water movie shootings as an underwater photographer. In 1966 and 1967, he was awarded consecutive years by the still photo world academy, in San Diego. In 1970, Osaki supported Jack Mayol when he made world record for free diving in Izu Peninsula, Japan, and they kept in touch. He is also a former World Underwater Federations’ representative of Japan.