Complex sentence: Appointed by Joseph Pulitzer as Paris correspondent for the New York "World", he later joined "The Times" of London as a foreign correspondent and was editor from 1919 until his resignation in 1922.
Split into simpler sentences: Appointed by Joseph Pulitzer as Paris correspondent for the New York "World". He joined "The Times" of London as a foreign correspondent and was editor from 1919 until his resignation in 1922.