Oil on paper in the manner of Georgia Okeeffe "Untitled", circa 1970, private collection, unframed dimensions approximately 17x12. Georgia Totto O'Keeffe (November 15, 1887 – March 6, 1986) was an American artist. She is best known for her paintings of enlarged flowers, New York skyscrapers, and New Mexico landscapes. O'Keeffe has been recognized as the "Mother of American modernism"