Kazuhiko Nishijima

(4 October 1926 – 15 February 2009) was a Japanese physicist who made significant contributions to particle physics. He was professor emeritus at the University of Tokyo and Kyoto University until his death in 2009.

He was born in Tsuchiura, Japan. He is most well known for his work on the Gell-Mann–Nishijima formula, and the concept of strangeness, which he called the "eta-charge" or "η-charge", after the eta meson ().

He was nominated for the Nobel Prize in Physics in 1960 and 1961. Provided by Wikipedia