Gyo Obata (1923–2022) was a Japanese-American architect and co-founder of HOK (Hellmuth, Obata + Kassabaum), one of the world’s leading architectural firms. Known for his humanistic, functional designs, his notable works include the National Air and Space Museum in Washington, D.C., the Dallas/Fort Worth International Airport, and the Japanese American National Museum. Obata’s architecture emphasized simplicity, efficiency, and contextual sensitivity, often blending modernist principles with cultural influences. His legacy in large-scale urban planning, institutional architecture, and sustainable design continues to shape contemporary architecture worldwide.