魏源 Traditional form: 魏源 Pinyin (reading): Wèi Yuán Definitions: Wei Yuan (1794-1857), Qing dynasty thinker, historian and scholar Characters: 魏 - the kingdom of Wei; surname 源 - spring; source, root, head; surname Traditional characters: 魏 - the kingdom of Wei; surname 源 - spring; source, root, head; surname