He was the Attorney General of the United States from 1961-1964. Robert Kennedy was a Democratic Senator from 1965 until his assassination in 1968. Born in 1925 to an affluent family, Kennedy attended Harvard University and graduated in 1948. He continued his studies at the University of Virginia Law School, where he finished in 1951. After school, Robert Kennedy managed John's campaign for the Senate seat in Massachusetts. Robert became well known as an attorney for his heated exchange with Jimmy Hoffa, during Hoffa's testimony before a Senate Committee. Robert Kennedy left in 1959 and helped John run for president. He was killed in 1968 after becoming close to securing the Democratic nomination for President.