Oscar Niemeyer was a Brazilian architect known for his modernist designs and innovative use of concrete. Born on December 15, 1907, in Rio de Janeiro, he played a significant role in shaping the architectural landscape of Brazil, particularly in the construction of the new capital, Brasília. His work is characterized by bold curves and organic forms, reflecting a unique blend of functionality and artistic expression. Throughout his career, Niemeyer collaborated with various artists and architects, contributing to numerous iconic buildings worldwide. Some of his most famous projects include the Niterói Contemporary Art Museum and the Cathedral of Brasília. Niemeyer's designs often emphasized the relationship between architecture and nature, making him a key figure in modern architecture.