Alexander Archipenko was a Ukrainian-American sculptor and painter, born on May 30, 1887, in Kyiv, Ukraine. He is best known for his innovative approach to sculpture, particularly his use of abstract forms and negative space. Archipenko played a significant role in the development of modern sculpture during the early 20th century. Throughout his career, Archipenko experimented with various materials, including wood, stone, and metal. He was associated with the Cubist movement and often incorporated elements of Cubism into his work. Archipenko's contributions to art have influenced many artists and continue to be celebrated in museums around the world.