Wilhelm Apollinaris De Kostrowitzki, better known by his pen name Guillaume Apollinaire, was a French poet, writer, and art critic who played a vital role in the development of avant-garde art movements in the early 20th century. He is known as a pioneer of Surrealism and Cubism, and his literary works are considered some of the most groundbreaking of his time. There are several synonyms for the name Wilhelm Apollinaris De Kostrowitzki, including Guillaume Apollinaire, Apollinaire, and Willy. These synonyms are often used in literature and academic circles to refer to this renowned writer and art critic. With his lasting legacy and contributions to French literature and art movements, Wilhelm Apollinaris De Kostrowitzki will always be remembered as a creative visionary of his time.