John Portman was an American architect, real estate developer, and artist, known for his innovative designs and contributions to modern architecture. Born on December 4, 1924, in Atlanta, Georgia, he gained fame for creating large-scale hotels and mixed-use developments that often featured atriums and open spaces. His work transformed urban landscapes, particularly in cities like Atlanta and San Francisco. Portman founded the architectural firm Portman Architects and was instrumental in the development of iconic structures such as the Hyatt Regency Atlanta and the Marriott Marquis. His designs emphasized the integration of art and architecture, making him a significant figure in the field. He passed away on January 29, 2023.