List of Famous people who died at 80

Cesare Mansueto Giulio Lattes, also known as César Lattes, was a Brazilian experimental physicist, one of the discoverers of the pion, a composite subatomic particle made of a quark and an antiquark.

Cypra Cecilia Krieger-Dunaij was an Austro-Hungarian -born mathematician of Jewish ancestry who lived and worked in Canada. Krieger was the third person to earn a Ph.D in mathematics from a university in Canada, in 1930, as well as the third woman to have been awarded a doctorate in any discipline in Canada. Krieger is well known for having translated two works of Wacław Sierpiński in general topology. The Krieger–Nelson Prize, awarded annually by the Canadian Mathematical Society since 1995 for outstanding research by a female mathematician, is named in honour of Krieger and Evelyn Nelson.

Horst Walter Stein was a German conductor.

Nauro Diniz Machado was a Brazilian poet and writer. Machado was the son of Torquato Rodrigues Machado and Maria de Lourdes Machado Diniz. He was also married to writer Arlette Nogueira da Cruz. He had vast knowledge in the arts and philosophy while teaching himself in those areas. Compared by some critics to Fernando Pessoa, he is unique because he is a universal poet, a lot like his immediate contemporaries Ferreira Gullar, Lago Burnett, José Chagas, and Bandeira Tribuzi. Machado questioned the very essence and destination of human beings while cultivating a poetic language. His work has anguished and violent existential reflection traits that find few comparisons in the Portuguese language. He held several positions in public court between them DETRAN and EMATER and also the Secretary of the State of Maranhão Culture. Nauru Machado has lived in São Luís, leaving only for brief periods, but mostly for Rio de Janeiro to publish most of his works. However, he dedicated much of his life to his great passion, poetry. Has received numerous awards, among them the Brazilian Academy of Letters and the Brazilian Union of Writers. He had several of his works translated into German, French, and English.