Complex sentence: Peter Anthony Quinn (1904--1974) of New York City was a Democratic U.S. Representative from New York from 1945 to 1947 and a Justice of the New York Supreme Court from 1955 to 1974.
Split into simpler sentences: Peter Anthony Quinn (1904--1974) of New York City was a Democratic U.S. Representative from New York from 1945 to 1947. Quinn was a Justice of the New York Supreme Court from 1955 to 1974.