Oscar Niemeyer built big buildings. 

Oscar Niemeyer was a famous builder. 

Oscar Niemeyer was a famous Brazilian architect. 

Niemeyer did a lot of work for the city of Brasília. This city became the capital of Brazil in 1960. He designed many important buildings there. These include the National Congress and the Cathedral of Brasília. He worked on about 600 projects in his life. He won a big prize called the Pritzker Architecture Prize in 1988. People all over the world still study his work today.
Oscar Niemeyer was a famous architect from Brazil. 
Niemeyer used a special material called reinforced concrete. This material is very strong and can be molded into new shapes. He used it to create buildings that looked like giant sculptures. One of his most famous works is the Church of Saint Francis of Assisi. 
Niemeyer grew up in Rio de Janeiro. He was born on December 15, 1907. He studied at the National School of Fine Arts. After he graduated in 1934, he worked as a draftsman. This is a person who makes detailed technical drawings. He worked with a famous architect named Lúcio Costa. Together, they helped design the Ministry of Education and Health building. 
Many of Niemeyer's biggest jobs happened in the 1950s and 1960s. The president of Brazil, Juscelino Kubitschek, asked him to design a new city. This city is called Brasília, and it became the capital in 1960. Niemeyer designed the National Congress and the Cathedral of Brasília. He also worked on the United Nations headquarters in New York. He designed about 600 projects during his long career. In 1988, he won the Pritzker Architecture Prize. This is a very prestigious award for great architects.
Niemeyer's ideas reached all over the world. He was even invited to teach at big universities like Yale and Harvard. His work was shown in famous places like the Museum of Modern Art in New York. Even when he faced hard times and had to live in Paris, he kept designing. He eventually returned to Brazil to continue his work. He designed the Niterói Contemporary Art Museum in 1996.
Oscar Niemeyer was a revolutionary Brazilian architect.
Niemeyer mastered the use of reinforced concrete to achieve his vision. Reinforced concrete is a strong material made of concrete and steel. This material allows for incredible plasticity, or the ability to be molded. He used this to create thin shells and sweeping arches. For example, he used parabolic arches to build very thin concrete structures. 
His work can be divided into several influential stages and styles. Early in his career, he worked within the Neocolonial movement. Later, he helped develop Brazilian modernism. This style blended modern principles with local Brazilian traditions. 

Niemeyer's career began in Rio de Janeiro. He was born on December 15, 1907. He studied at the National School of Fine Arts. He graduated with a degree in architecture in 1934. After graduating, he worked as a draftsman. A draftsman creates the technical drawings used for construction. He worked with the influential architect Lúcio Costa. They collaborated on the Ministry of Education and Health project.
His most significant period arrived in the 1950s and 1960s. President Juscelino Kubitschek invited Niemeyer to design Brasília. This was a planned city that became Brazil's capital in 1960. Niemeyer designed the National Congress, the Cathedral of Brasília, and the Palácio da Alvorada. His work in Brasília was experimental and unified by common design elements. He also collaborated on the United Nations Headquarters in New York. His global reputation led to teaching invitations at Yale and Harvard. In 1988, he received the Pritzker Architecture Prize. This is the highest honor in the field of architecture.
Niemeyer's career spanned many decades and various political shifts. He was a member of the Brazilian Communist Party. Following the 1964 military coup, he left Brazil for a time. He opened an office in Paris and lived in Cuba and the Soviet Union. He returned to Brazil in 1985. He continued to design major works late in life.
Niemeyer's influence connects architecture to the natural world and mathematics. He viewed his curved designs as a reflection of Einstein's curved universe. His work bridges the gap between functional engineering and fine art. He proved that reinforced concrete could be both structural and beautiful. His legacy remains visible in the skylines of Brazil and around the world. He died in Rio de Janeiro on December 5, 2012, at age 104.
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