汤川 Traditional form: 湯川 Pinyin (reading): Tāngchuān Definitions: Yukawa (name) YUKAWA Hideki (1907-1988), Japanese theoretical physicist and Nobel laureate Characters: 汤 - soup, gravy, broth; hot water 川 - stream, river Traditional characters: 湯 - soup, gravy, broth; hot water 川 - stream, river