管仲 Traditional form: 管仲 Pinyin (reading): Guǎn Zhòng Definitions: Guan Zhong (-645 BC), famous politician of Qi 齊國/齐国 of Spring and Autumn period known as Guangzi 管子 Characters: 管 - tube, pipe, duct; to manage, to control 仲 - middle brother; go between, mediator; surname Traditional characters: 管 - tube, pipe, duct; to manage, to control 仲 - middle brother; go between, mediator; surname