in January 1964. He wrote a memoir/history of the Kennedy administration, A Thousand Days: John F. Kennedy in the White House, which won him his second Pulitzer Prize in 1965. Later career Schlesinger returned to teaching in 1966 as the Albert Schweitzer Professor of the Humanities at the CUNY Graduate Center. After his retirement from teaching in 1994, he remained an active member of the Graduate Center community as an emeritus professor until his death. Later politics After his service for the Kennedy administration, he continued to be a Kennedy loyalist for the rest of his life, campaigning for Robert Kennedy's tragic presidential campaign in 1968 and for Senator Edward M. Kennedy in 1980. Upon the request of Robert Kennedy's widow, Ethel Kennedy, he wrote the biography Robert Kennedy and His Times, which was published in 1978. Throughout the 1960s and 1970s, he greatly criticized Richard Nixon as both a candidate and president. His prominent status as a liberal Democrat and outspoken disdain of Nixon led to his placement on the master list of Nixon's political opponents. Ironically, Nixon would become his next-door neighbor in the years following the Watergate scandal. After he retired from teaching, he remained involved in politics for the rest of his life through his books and public speaking tours. Schlesinger was a critic of the Clinton Administration, resisting President Clinton's cooptation of his "Vital Center" concept in an article for Slate in 1997. Schlesinger was also a critic of the 2003 Iraq War and called it a misadventure. He put much blame on the media for not covering a reasoned case against the war. Personal life Schlesinger's name at birth was Arthur Bancroft Schlesinger; since his mid-teens, he had instead used the signature Arthur M. Schlesinger Jr. He had five children, four from his first marriage to author and artist Marian Cannon Schlesinger and a son and stepson from his second marriage, to Alexandra Emmet, also an artist. Stephen Schlesinger (b. 1942), a notable author of books on foreign affairs and former director of the World Policy Institute Katharine Kinderman (1942–2004), an author and producer, who was married to Gibbs Kinderman and later Thomas Tiffany Christina Schlesinger (b. 1946), a prominent artist and muralist Andrew Schlesinger, writer and editor Robert Schlesinger, writer and editor As a prominent Democrat and historian, Schlesinger maintained a very active social life. His wide circle of friends and associates included