VICE-PRESIDENT

An executive official of the United States government who presides over the Senate, voting only in case of a tie vote. He succeeds to the presidency in case of death or disability of the elected president. The following vice-presidents have succeeded to presidency: John Tyler, 1841; Millard:Fill more, 1850; Andrew Johnson 1865; Chester A. Arthur, 1881; Theodore Roosevelt, 1901; Calvin Coolidge, 1923,