Marcel Breuer was a Hungarian-born architect and furniture designer, known for his innovative contributions to modern design. He was a key figure in the Bauhaus movement, which emphasized functional and minimalist aesthetics. Breuer is particularly famous for his use of tubular steel in furniture, creating iconic pieces like the Wassily Chair. In addition to furniture design, Breuer made significant architectural contributions, including the St. John's Abbey in Minnesota and the UNESCO building in Paris. His work often combined modernist principles with a deep understanding of materials, making him a prominent figure in 20th-century architecture and design.