Earl Warren only ever worked in Algeria.
Brown v. Board of Education of Topeka , , was a landmark United States Supreme Court case in which the Court declared state laws establishing separate public schools for black and white students to be unconstitutional . Earl Warren . 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 . The President 's Commission on the Assassination of President Kennedy , known unofficially as the Warren Commission , was established by President Lyndon B. Johnson through on November 29 , 1963 to investigate the assassination of United States President John F. Kennedy that had taken place on November 22 , 1963 .