Keiko Ikeda
Keiko Tanaka-Ikeda (田中-池田 敬子, born Keiko Tanaka; November 11, 1933 – May 13, 2023), is a Japanese amateur athlete, coach, university professor and sports administrator.  She is best known as a gymnast who competed in the 1956 Summer Olympics, in the 1960 Summer Olympics, and in the 1964 Summer Olympics.