Diego Cavanagh
Santiago Miguel "Diego" Cavanagh y Hearne was an Argentine polo player at the 1936 [Summer Olympics].
He was a squad member of the Argentine polo team, which won the gold medal. He did not compete in the Polo at the [1936 Summer Olympics|Berlin tournament], but was a reserve player.
His younger brother Roberto Cavanagh was also a squad member. He played in both games.