Presidency of John F. Kennedy killed Oswald due to his own grief over Kennedy's death, but the assassination of Kennedy and the death of Oswald gave rise to enormous speculation that Kennedy had been the victim of a conspiracy. Kennedy was succeeded as president by Lyndon Johnson, who stated on November 27 that "no memorial or oration or eulogy could more eloquently honor President Kennedy's memory than the earliest possible passage of a civil rights bill for which he fought so long." President Johnson created the Warren Commission—chaired by Chief Justice Earl Warren—to investigate the assassination. The Warren Commission concluded that Oswald acted alone in
Assassination of John F. Kennedy in popular culture Dallas. It also has Robert F. Kennedy becoming President in the late 1970s, with Martin Luther King Jr. as his Vice President, after both men were saved from their assassinations in 1968 by the same time traveler. In Stephen Baxter's novel "Voyage" (1996), the Dallas assassination attempt only succeeds in crippling Kennedy, but Jacqueline Bouvier Kennedy is killed. Kennedy is re-elected in 1964 and commits the United States to landing a manned vessel on Mars, which occurs in 1986. The novel uses the assassination attempt only as the impetus for an alternate history US space program. Jeff Golden's 2008 novel