knox martin (february 12, 1923 – may 15, 2022) was a colombian-born american painter, sculptor and muralist. he was born in barranquilla, colombia. he studied at the art students league of new york from 1946 to 1950. he is best known for his repertory of signs and symbols relating to nature and the female figure. his best known works are "venus" (1970) and "woman with bicycle" (1979), both in manhattan.