was a Japanese swimmer. He competed at the

1960 Summer Olympics The 1960 Summer Olympics ( it, Giochi Olimpici estivi del 1960), officially known as the Games of the XVII Olympiad ( it, Giochi della XVII Olimpiade) and commonly known as Rome 1960 ( it, Roma 1960), were an international multi-sport event held ...

and won a silver medal in the 200 metre breaststroke and a bronze medal in the 4×100 m medley relay. In 1984, Osaki helped establish the Japan Masters Swimming Association and served on its board until his death. During those years he popularized masters swimming both in Japan and internationally. In 1986, he organized the first FINA World masters championships in Tokyo, and since 1993 participated in every international masters competition. He had competed in five age groups, set 9 world masters records and won 7 world titles. In 2006 he was inducted into the

International Swimming Hall of Fame The International Swimming Hall of Fame and Museum (ISHOF) is a history museum and hall of fame, located at One Hall of Fame Drive, Fort Lauderdale, Florida, United States, operated by private interests and serving as the central point for the stu ...

in the Contributors category. Osaki died of

interstitial pneumonia Interstitial lung disease (ILD), or diffuse parenchymal lung disease (DPLD), is a group of respiratory diseases affecting the interstitium (the tissue and space around the alveoli (air sacs)) of the lungs. It concerns alveolar epithelium, pulmona ...

, aged 76. He was survived by two daughters, a son, and wife Yoshiko Sato, a fellow masters and Olympic swimmer.

References

1939 births 2015 deaths Olympic swimmers of Japan Olympic silver medalists for Japan Olympic bronze medalists for Japan Swimmers at the 1960 Summer Olympics Olympic bronze medalists in swimming Medalists at the 1960 Summer Olympics Japanese male breaststroke swimmers Olympic silver medalists in swimming 20th-century Japanese people {{Japan-swimming-bio-stub