During the 1940s, Hans Hofmann's art underwent significant development and experimentation, marking a pivotal phase in his career. This decade was characterized by his explorations into abstract expressionism, a movement that would later dominate the American art scene. In 1940, Hofmann created "Spring," an abstract "drip" painting on panel, showcasing early experimentation with techniques that Jackson Pollock would later popularize. This period in Hofmann's career was marked by a series of works that explored the dynamics of color and form, indicating a shift towards complete abstraction. His engagement with abstract art was deeply rooted in the belief that abstraction could convey a more profound reality, emphasizing the necessity of simplifying forms to reveal the essence of the subject​ (HANS HOFMANN)​​ (Wikipedia)​. Hofmann's first solo exhibition in New York was held in 1944 at Peggy Guggenheim's Art of This Century Gallery, marking a critical moment for the artist. This show, along with subsequent exhibitions, played a crucial role in establishing his presence in the New York art scene. The exhibitions received positive reviews and were instrumental in fostering the transition towards a more painterly style of abstract expressionism. Hofmann's work from this era, characterized by "painterly attacks," jolting contrasts, and a spontaneous approach to painting, was celebrated for its intensity and gestural freedom​ (HANS HOFMANN)​​ (Wikipedia)​​ (The Art Story)​. Throughout the 1940s, Hofmann also focused on developing his theories on painting, particularly the concept of "push and pull," which emphasized the interplay of color, shape, and space to create a sense of depth on a flat canvas. This theoretical framework was central to Hofmann's teachings and artistic practice, underscoring his influence on the next generation of abstract expressionists​ (The Art Story)​. Hofmann's contributions during the 1940s were not limited to his advancements in abstract painting. He continued to be an influential teacher, sharing his insights and theories on art with a wide array of students. His role as an educator, combined with his innovative artistic practices, cemented his legacy as a pivotal figure in the transition of modern art across continents​ (Wikipedia)​​ (The Art Story)​. The 1940s were thus a decade of profound experimentation and theoretical development for Hans Hofmann, laying the groundwork for the abstract expressionist movement and establishing his legacy as a major figure in 20th-century art.