Sandor Rivnyak
Sandor Rivnyak was an American former handball player who competed in the 1972 Summer Olympics and in the 1976 Summer Olympics. He was born in Dunaföldvár, Hungary. In 1972 he was part of the American team which finished 14th in the Olympic tournament. He played all five matches. Four years later he finished tenth with the American team in the 1976 Olympic tournament. He played all five matches again. He played for the Adelphi University.
