Answer:
Warren E. Burger was the new cheif of Justice under Nixon.
Step-by-step explanation:
Nixon selected Warren E. Burger to substitute Earl Warren, and throughout his course in service designated three other fragments of the Supreme Court: Assistant Justices William Rehnquist, Lewis F. Powell, and Harry Blackmun.
Nixon nominated William Rehnquist to the Supreme Court, allowing his later eminence to Chief Justice