Complex sentence: During the interwar period, he worked as an architect at the firm of Muhlenberg, Yerkes & Muhlenberg, served on the Reading city council, and was Republican Party chairman for Berks County, Pennsylvania.
Split into simpler sentences: During the interwar period, he worked as an architect at the firm of Muhlenberg, Yerkes & Muhlenberg. He was elected to the Reading City Council, and became Republican Party chairman for Berks County, Pennsylvania.