Claude Fayette Bragdon (1866-1946) was an American architect, writer, and stage designer known for his contributions to the progressive architectural movement and his development of projective ornamentation. Born in Oberlin, Ohio, Bragdon's career flourished in Rochester, New York, where he designed notable buildings such as the New York Central Railroad Station and the Rochester First Universalist Church. Bragdon was influenced by the ideas of Louis Sullivan and Frank Lloyd Wright, but he developed his own concept of "organic architecture" rooted in nature and intended to foster democratic community in industrial society. He believed in harmonizing buildings through regular geometry and musical proportion to create a consensual culture. Additionally, he introduced "projective ornament," a universal form-language based on mathematical patterns abstracted from nature, to unify architecture, art, design, and society. Throughout his career, Bragdon's work showcased his exceptional ink rendering skills and inventive geometric ornamentation. He also pursued a second career as a stage designer in New York City. In his writings, such as "The Beautiful Necessity" and "Architecture and Democracy," Bragdon advocated for an organic Gothic style and explored spiritual topics. While Bragdon's architectural practice waned in the 1910s and 1920s, his ideas found resonance in later architects like Buckminster Fuller. His legacy endures through his contributions to modernist architecture and his emphasis on the integration of geometric pattern with social and architectural design.