Mario Benedetti Farrugia, was an Uruguayan journalist, novelist, and poet and an integral member of the Generación del 45. Despite publishing more than 80 books and being published in twenty languages he was not well known in the English-speaking world. In the Spanish-speaking world he is considered one of Latin America's most important writers of the latter half of the 20th century.
Mario Augusto Bunge was an Argentine-Canadian philosopher and physicist. His philosophical writings combined scientific realism, systemism, materialism, emergentism, and other principles.
Mario Costa is an Italian philosopher. He is known for his studies of the consequences of new technology in art and aesthetics, which introduced a new theoretical perspective through concepts such as the "communication aesthetics", the "technological sublime", the "communication block", and the "aesthetics of flux".
Mário Raul de Morais Andrade was a Brazilian poet, novelist, musicologist, art historian and critic, and photographer. He wrote one of the first and most influential collections of modern Brazilian poetry, Paulicéia Desvairada, published in 1922. He has had considerable influence on modern Brazilian literature, and as a scholar and essayist—he was a pioneer of the field of ethnomusicology—his influence has reached far beyond Brazil.
Mário de Sá-Carneiro was a Portuguese poet and writer. He is one of the best known authors of the "Geração D'Orpheu", and is usually considered their greatest poet, after Fernando Pessoa.
Mario Giordano is an Italian journalist and television presenter. He received several disciplinary sanctions, and has been sued for racism and racial hate speech. He is known to be one of the most controversial journalists in the Italian right-wing media sphere and for his sensationalistic style in his television shows.
Jorge Mario Varlotta Levrero, better known as Mario Levrero, was a Uruguayan author. He authored nearly 20 novels as well as writing articles, columns, comic books and crosswords. His work is said to be influenced by Franz Kafka, Lewis Carroll and surrealism. Throughout his life he shunned publicity and was difficult with interviewers. Regardless, he became a cult figure in Uruguay and Argentina.