Claim: Earl Warren held the office of Chief Justice of the United States.

Earl Warren -LRB- March 19 , 1891 -- July 9 , 1974 -RRB- was an American jurist and politician , who served as the 30th Governor of California -LRB- 1943 -- 1953 -RRB- and later the 14th Chief Justice of the United States -LRB- 1953 -- 1969 -RRB- .   He is best known for the liberal decisions of the so-called Warren Court , which outlawed segregation in public schools and transformed many areas of American law , especially regarding the rights of the accused , ending public school-sponsored prayers , and requiring `` one man -- one vote '' rules of apportionment of election districts . He made the Supreme Court a power center on a more even basis with Congress and the Presidency , especially through four landmark decisions : Brown v. Board of Education -LRB- 1954 -RRB- , Gideon v. Wainwright -LRB- 1963 -RRB- , Reynolds v. Sims -LRB- 1964 -RRB- , and Miranda v. Arizona -LRB- 1966 -RRB- .   Warren is the only person elected to three consecutive terms as Governor of California , and with those three elected terms he is second only to Jerry Brown for total gubernatorial wins in California . Before holding these positions , he was the District Attorney for Alameda County , California , and the Attorney General of California .   Warren was the nominee of the Republican Party for Vice President in 1948 , as the running mate of Thomas E. Dewey . He was appointed to chair what became known as the Warren Commission , which was formed to investigate the 1963 assassination of President John F. Kennedy .