Charles Kay Ogden
（重定向自C. K. Ogden）
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![The semantic triangle.](/Images/godic/202501/04/Ogden_semiotic_triangle3100.png")
Charles Kay Ogden (/ˈɔːɡdən, ˈɒɡ-/; 1 June 1889 – 20 March 1957) was an English linguist, philosopher, and writer. Described as a polymath but also an eccentric and outsider, he took part in many ventures related to literature, politics, the arts and philosophy, having a broad effect particularly as an editor, translator, and activist on behalf of a reformed version of the English language. He is typically defined as a linguistic psychologist, and is now mostly remembered as the inventor and propagator of Basic English.