Harry Seidler was an influential Australian architect, born on June 25, 1923, in Vienna, Austria. He is best known for his modernist designs that significantly shaped the architectural landscape of Sydney. Seidler studied architecture at the Harvard Graduate School of Design and later moved to Australia, where he became a prominent figure in the post-war architectural movement. Throughout his career, Seidler designed numerous iconic buildings, including the Australia Square and the Miller House. His work often featured bold geometric forms and innovative use of materials, reflecting his commitment to modernism. Seidler received several awards for his contributions to architecture and was recognized for his role in promoting contemporary design in Australia.