Complex sentence: Roger John Traynor (February 12,1900-May 14,1983) served as Chief Justice of the Supreme Court of California from 1964 to 1970, and as an Associate Justice from 1940 to 1964.
Split into simpler sentences: Roger John Traynor (February 12,1900-May 14,1983) served as Chief Justice of the Supreme Court of California from 1964 to 1970. Before that, he served as an Associate Justice from 1940 to 1964.