Robert Francis Kennedy (November 20, 1925 – June 6, 1968), sometimes referred to by the initials RFK, was an American politician and lawyer who served as the 64th United States Attorney General from January 1961 to September 1964, and as a U.S. Senator from New York from January 1965 until his assassination in June 1968. Kennedy, like his brothers John and Edward, was a prominent member of the Democratic Party and has come to be viewed by some historians as an icon of modern American liberalism.Kennedy was born into a wealthy, political family in Brookline, Massachusetts. After serving in the U.S. Naval Reserve as a seaman apprentice from 1944 to 1946, Kennedy returned to his studies at Harvard University, graduating in 1948. He received his law degree from the University of Virginia, and was admitted to the Massachusetts bar in 1951. He began his career as a correspondent for The Boston Post and as a lawyer at the Justice Department, but later resigned to manage his brother John's successful campaign for the U.S. Senate in 1952. The following year, he worked as an assistant counsel to the Senate committee chaired by Senator Joseph McCarthy. He gained national attention as the chief counsel of the Senate Labor Rackets Committee from 1957 to 1959, where he publicly challenged Teamsters President Jimmy Hoffa over the corrupt practices of the union and authored The Enemy Within, a book about corruption in organized labor. Kennedy resigned from the committee to conduct his brother's campaign in the 1960 presidential election. He was appointed United States Attorney General after the successful election and served as the closest advisor to the President from 1961 to 1963.His tenure is best known for its advocacy for the civil rights movement, the fight against organized crime and the Mafia, and involvement in U.S. foreign policy related to Cuba. He authored his account of the Cuban Missile Crisis in a book titled Thirteen Days. After his brother's assassination, he remained in office in the Johnson Administration for several months. He left to run for the United States Senate from New York in 1964 and defeated Republican incumbent Kenneth Keating. In office, Kennedy opposed racial discrimination and U.S. involvement in the Vietnam War. He was an advocate for issues related to human rights and social justice and formed relationships with Martin Luther King Jr. and Cesar Chavez.