Complex sentence: A deep believer in the progressive themes of efficiency and scientific expertise, Aldrich led a team of experts to study the European national banks, discovering that Britain, Germany and France had a much superior central banking system.
Split into simpler sentences: A deep believer in the progressive themes of efficiency and scientific expertise, Aldrich led a team of experts to study the European national banks. After his trip, he came to believe that Britain, Germany and France had a much superior central banking system.