President Harry S. Truman wrote in his tribute to Warren, which appeared in the California Law Review in 1970, "Warren record as Chief Justice has stamped him in the annals of history as the man who read and interpreted the Constitution in relation to its ultimate intent. He sensed the call of the times-and he rose to the call." Supreme Court Associate Justice William O. Douglas wrote, in the same article, "in my view [Warren will rank with Marshall and Hughes in the broad sweep of United States history". According to biographer Ed Cray, Warren was "second in greatness only to John Marshall himself in the eyes of most impartial students of the Court as well as the Court's critics." Pulitzer Prize winner Anthony Lewis described Warren as "the closest thing the United States has had to a Platonic Guardian". In 1958, Martin Luther King Jr. sent one copy of his newly published book, "Stride Toward Freedom", to Chief Justice Earl Warren, writing on the first free end page: