The document discusses notable collage artists such as Kurt Schwitters, Romare Bearden, Paul Horiuchi, Wangechi Mutu, and Njideka Akunyili Crosby, highlighting their contributions and thematic explorations in the medium of collage. Schwitters emphasized found objects and dynamic compositions, while Bearden addressed urban life and African American identity. Others, like Horiuchi and Mutu, incorporated cultural influences and personal narratives into their works, showcasing the versatility and depth of collage as an art form.