Art Brokerage: Jo Baer American Artist: b. 1929. In 1957, American artist Jo Baer began experimenting in abstract-expressionist style, characterized by strong light-dark contrasts. She organized the first NY Group show in 1964. Jo Baer's collecitons can be seen at the Museum of Modern Art in NY, Guggenheim Museum in NY, Whitney Museum of American Art in NY and Tate Gallery in London. Listings wanted.