Oswaldo Cruz Filho 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 won), took 2nd in 1943 ("Quadrangular Clube Ginastico Portugues", Eliskases won), took 9th in 1946 (Miguel Najdorf won), took 2nd, behind W. Cruz, in 1948 (the 16th Brazilian Chess Championship), tied
American Concrete Institute for the design and construction of structural concrete buildings. It is issued and maintained by the American Concrete Institute. The latest edition of the code is ACI 318-14. Concrete International is a monthly magazine published by the American Concrete Institute. Searchable abstracts of articles are available via the magazine's web page. The Wason Medal for Most Meritorious Paper has been awarded each year since 1917 to the author or authors of a paper published by ACI. Notable recipients include: American Concrete Institute The American Concrete Institute (ACI, formerly National Association of Cement Users or NACU) is a non-profit technical society