Complex sentence: John Foster Dulles (February 25,1888May 24,1959) served as United States Secretary of State under Republican President Dwight D. Eisenhower from 1953 to 1959.
Split into simpler sentences: John Foster Dulles (February 25,1888May 24,1959) was an American diplomat. A Republican, he served as United States Secretary of State under President Dwight D. Eisenhower from 1953 to 1959.