Isaac dos Santos Moraes (26 July 1914 â 1 December 1993) was an Olympic freestyle swimmer from Brazil, who participated at two Summer Olympics for his native country. At the 1932 Summer Olympics in Los Angeles, he swam the 4ÃÂ200-metre freestyle, finishing 7th in the final, along with Manoel Lourenço, Manoel Villar and Benevenuto Nunes. At the 1936 Summer Olympics in Berlin, he swam the 100-metre and 4ÃÂ200-metre freestyle, not reaching the finals.