Josephine Gail "Jo" Baer (August 7, 1929 – January 21, 2025) was an American painter. She was born in Seattle, Washington. Baer is known for her minimalist works. She began showing her work at the Fischbach Gallery, New York, and other venues for contemporary art in the mid-1960s.
In the late 1960s, Baer was experimenting with color and shifting the visual focus of her work. While working on the series The Stations of the Spectrum (1967-1969), Baer painted over their white surfaces to make them gray. In 1975 Baer was the subject of a retrospective at the Whitney Museum of American Art, New York, showcasing her Minimalist work.
Baer died in Amsterdam, Netherlands on January 21, 2025 from bladder cancer at the age of 95.
