Tomoko Ohta (太田 朋子, Ōta Tomoko; born Tomoko Harada 原田 朋子 7 September 1933, Miyoshi, Aichi) is a Japanese scientist and professor emeritus of the National Institute of Genetics. Ohta works on population genetics/molecular evolution and is known for developing the nearly neutral theory of evolution. Ohta has received many awards, including Japan's Order of Culture (2016). In 2015, Ohta and Richard Lewontin were jointly awarded the Crafoord Prize "for their pioneering analyses and fundamental contributions to the understanding of genetic polymorphism".
Source: “Tomoko Ohta”, English Wikipedia (CC BY-SA 4.0), excerpt
