<Li> a Cabinet Secretary </Li> <Li> a General of the United States Army </Li> <Table> <Tr> <Th> Vice President </Th> <Th> President served under </Th> <Th> Year (s) served </Th> <Th> Notes </Th> </Tr> <Tr> <Td> John Adams </Td> <Td> George Washington </Td> <Td> 1789--1797 </Td> <Td> </Td> </Tr> <Tr> <Td> Thomas Jefferson </Td> <Td> John Adams </Td> <Td> 1797--1801 </Td> <Td> </Td> </Tr> <Tr> <Td> Martin Van Buren </Td> <Td> Andrew Jackson </Td> <Td> 1833--1837 </Td> <Td> </Td> </Tr> <Tr> <Td> John Tyler </Td> <Td> William Henry Harrison </Td> <Td> 1841 </Td> <Td> Became President after Harrison's death </Td> </Tr> <Tr> <Td> Millard Fillmore </Td> <Td> Zachary Taylor </Td> <Td> 1849--1850 </Td> <Td> Became President after Taylor's death </Td> </Tr> <Tr> <Td> Andrew Johnson </Td> <Td> Abraham Lincoln </Td> <Td> 1865 </Td> <Td> Became President after Lincoln's assassination </Td> </Tr> <Tr> <Td> Chester A. Arthur </Td> <Td> James A. Garfield </Td> <Td> 1881 </Td> <Td> Became President after Garfield's assassination </Td> </Tr> <Tr> <Td> Theodore Roosevelt </Td> <Td> William McKinley </Td> <Td> 1901 </Td> <Td> Became President after McKinley's assassination </Td> </Tr> <Tr> <Td> Calvin Coolidge </Td> <Td> Warren Harding </Td> <Td> 1921--1923 </Td> <Td> Became President after Harding's death </Td> </Tr> <Tr> <Td> Harry Truman </Td> <Td> Franklin D. Roosevelt </Td> <Td> 1945 </Td> <Td> Became President after Roosevelt's death </Td> </Tr> <Tr> <Td> Richard Nixon </Td> <Td> Dwight D. Eisenhower </Td> <Td> 1953--1961 </Td> <Td> Only former Vice President to become President after an intervening administration . </Td> </Tr> <Tr> <Td> Lyndon B. Johnson </Td> <Td> John F. Kennedy </Td> <Td> 1961--1963 </Td> <Td> Became President after Kennedy's assassination </Td> </Tr> <Tr> <Td> Gerald Ford </Td> <Td> Richard Nixon </Td> <Td> 1969--1974 </Td> <Td> Became President after Nixon's resignation </Td> </Tr> <Tr> <Td> George H.W. Bush </Td> <Td> Ronald Reagan </Td> <Td> 1981--1989 </Td> <Td> </Td> </Tr> </Table> <Tr> <Th> Vice President </Th> <Th> President served under </Th> <Th> Year (s) served </Th> <Th> Notes </Th> </Tr>

Who served as both president and vice president