Frederick Kiesler (1890-1965) was an influential architect and designer known for his innovative contributions to modern architecture and exhibition design. Born in Austria, he later moved to the United States, where he became a prominent figure in the avant-garde movement. Kiesler is best known for his work on the Kiesler Studio and the design of the Museum of Modern Art in New York. Kiesler's designs often emphasized the relationship between space and human experience, blending art and architecture. He was a pioneer in creating flexible exhibition spaces, notably with his design for the International Style exhibition in 1932. His ideas continue to inspire architects and designers today.