Complex sentence: Cutting is perhaps best known as the most prominent Anglo who sought to bring Hispanic voters into the political mainstream, prior to the New Deal, and for maintaining correspondence, with Ezra Pound in the 1930s.
Split into simpler sentences: Cutting is perhaps best known as the most prominent Anglo who sought to bring Hispanic voters into the political mainstream, prior to the New Deal. And his maintaining correspondence, with Ezra Pound in the 1930s.