Norio Niikawa (新川 詔夫, Niikawa Norio; 8 May 1942 – 11 April 2020) was a Japanese physician and medical geneticist who discovered an autosomal dominant disorder, Kabuki syndrome, also known as Niikawa-Kuroki syndrome.
Source: “Norio Niikawa”, English Wikipedia (CC BY-SA 4.0), excerpt