Hubert Humphrey, but not until 1965 when Lyndon Johnson's next term began.
There has been more than one. George Washington ran unopposed. John Tyler became president on the death of W.H. Harrison. Millard Filmore became president on the death of Zachary Taylor. Andrew Johnson became president on the death assassination of Abraham Lincoln... and so on.
John Adams became president and Thomas Jefferson became Vice President.
22 November, 1963
John F Kenedy was the 35th President of the United States, serving from 1961 until his assassination in 1963.
John Adams became vice president, then president.
Lyndon Baines Johnson
* Lyndon B. Johnson
No LBJ became president after the assassination of John F. Kennedy. .
42 He was the youngest person to assume the presidency. He became President after the assassination of President McKinley. John Kennedy became the youngest elected President.
Lyndon Johnson was Vice President to President John F. Kennedy. Johnson became president following Kennedy's assassination in 1963.
Londyn B johnson became the 36th pesedent of the U.S upon the assassination of President John F. Kennedy.
lyndon b johnson became the new president
to investigate the assassination of president John F Kennedy
Lyndon B. Johnson was sworn into office on an airplane after the John F. Kennedy assassination.
Joseph Patrick "Joe" Kennedy Sr. President John kennedys fathers name was John, he was Johnsr.
lyndon B Johnson became the new president novanet
Lyndon Johnson was Vice President to President John F. Kennedy. Johnson became president following Kennedy's assassination in 1963.