Chūhei Nambu (南部 忠平, Nanbu Chūhei; May 27, 1904 – July 23, 1997) was a Japanese track and field athlete. As of 2024, he is the only person to have held world records in both the long jump and the triple jump.
Source: “Chūhei Nambu”, English Wikipedia (CC BY-SA 4.0), excerpt