 Complete the following phrase:  While the Constitution does not mandate that anyone in particular should administer the presidential oath of office, it has been administered by the chief justice beginning with John Adams, except following the death of a sitting president. George Washington was sworn into office during his first inauguration, on April 30, 1789, by Chancellor of New York Robert Livingston. William Cranch, chief judge of the U.S. Circuit Court, administered the oath to Millard Fillmore on July 10, 1850, when he became president after the death of Zachary Taylor. Upon being informed of Warren Hardings death, while visiting his family home in Plymouth Notch, Vermont, Calvin Coolidge was sworn in as president by his father, John Calvin Coolidge Sr., a notary public. Federal Judge Sarah T. Hughes administered the oath of office to Lyndon B. Johnson aboard Air Force One after 