Clifford Still is widely regarded as one of the pioneers of the Indigenous School of Abstract Expressionism, known for his large-scale, gestural paintings that explore the relationship between the individual and the natural world.

The Indigenous School of Abstract Expressionism is characterized by the exploration of personal and emotional experiences, often expressed through gestural brushwork and the use of abstract forms and symbols.

Willem de Kooning is renowned for his gestural, calligraphic style of painting, which is characterized by energetic brushwork and the use of abstract forms and symbols.

The term 'Indigenous' in the context of the Indigenous School of Abstract Expressionism emphasizes the connection between the artists and their cultural heritage, as many of these artists drew inspiration from their Indigenous roots and incorporated elements of their traditional cultures into their artworks.

Ad Reinhardt is known for his exploration of the concept of 'the void' in his paintings, which often consisted of large, monochromatic canvases that sought to transcend traditional notions of representation and form.

Artists of the Indigenous School of Abstract Expressionism often explored the abstraction of natural forms and landscapes, using abstract forms and symbols to convey their emotional and spiritual experiences of the natural world.

Franz Kline is known for his use of vibrant colors and gestural brushwork in his paintings, which often consisted of bold, calligraphic lines and abstract forms.

Abstract Expressionism is the name of the art movement that emerged in the 1940s and 1950s, characterized by the use of abstract forms and expressions to convey emotions and ideas.

Barnett Newman is known for his large-scale, gestural paintings that explore the relationship between the individual and the universe, often using bold, vertical lines and fields of color.

Drip painting is the name of the technique used by Jackson Pollock, in which he dripped and poured paint onto a horizontal canvas, creating intricate patterns and textures.

Ellsworth Kelly is known for his use of color fields and hard-edge painting, which involves the use of flat, solid colors and sharp, geometric forms.

Pop Art is the name of the art movement that emerged in the 1960s and 1970s, characterized by the use of everyday objects and materials in artworks, often with the intention of commenting on consumerism and popular culture.

Robert Rauschenberg is known for his use of found objects and assemblages in his artworks, which often incorporated everyday objects, materials, and images from popular culture.

Postmodernism is the name of the art movement that emerged in the 1970s and 1980s, characterized by the use of appropriation and simulation in artworks, often with the intention of critiquing and subverting traditional notions of art and representation.

Jenny Holzer is known for her use of text and language in her artworks, often using LED signs, projections, and other media to display text-based messages that explore themes of power, identity, and social issues.