Kazuhiko Nishijima

Who was Kazuhiko Nishijima?

Kazuhiko Nishijima 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 the product of his collaboration with Murray Gell-Mann, the Gell-Mann–Nishijima formula, and the concept of strangeness, which he called the "eta-charge" or "η-charge", after the eta meson.