Oswaldo Cruz Filho for 11-12th in 1949 (BRA-ch, W. Cruz won), took 10th in 1950 (BRA-ch, J.T. Mangini won), and took 11th in 1952 (the 1st "Torneio Internacional do Fluminense F.C.", Héctor Rossetto won). Oswaldo Cruz Filho Oswaldo Cruz Filho (1902/03 in Rio de Janeiro – ?) was a Brazilian chess master. He represented Brazil in 3rd unofficial Chess Olympiad at Munich 1936, in the 8th Chess Olympiad at Buenos Aires 1939 and the 10th Chess Olympiad at Helsinki 1952. He participated in many tournaments played in Rio de Janeiro; shared 3rd with Walter Oswaldo Cruz in 1943 ("Campeonato do CXRJ", Erich Eliskases
Oswaldo Cruz existed since 1837 but had never been put into practice. Therefore, on June 9, 1904, following a proposal by Oswaldo Cruz, the government presented a bill to the Congress requesting the reestablishment of obligatory smallpox vaccination. The extremely rigid and severe provisions of this instrument terrified the people. Popular opposition against Cruz increased sharply and opposition newspapers started a violent campaign against this and the federal government in general. Members of the parliament and labor unions protested. An anti-vaccination league was organized. On November 10, the Vaccine Revolt exploded in Rio. Violent confrontations with the police ensued, with strikes, barricades,