Answer: William Howard Taft, 27th president of the U.S., served from 1909 to 1913, and served as Supreme Court Chief Justice from 1921 to 1930
Answer:
William Howard Taft
Explanation:
William Howard Taft was elected the 27th President of the United States (1909-1913) and later became the tenth Chief Justice of the United States (1921-1930), the only person to have served in both of these offices.