Who was Chester Arthur's vice-president?

There was no vice-president after Arthur became president. Until 1967, a vacancy in the vice-presidential office was not filled until the next presidential election. Arthur was the elected vice-president but he moved up to President after Garfield was killed.
trick question, he didn't have one!

There was no vice-president after Arthur became president. Until 1967, a vacancy in the vice-presidential office was not filled until the next presidential election. Arthur was the elected vice-president but he moved up to President after Garfield was killed.