Complex sentence: During his life, Caldwell was a member of the Newcomen Society, Freemasons, Shriners, Elks, and Knights of Pythias, in addition to Kappa Sigma and Phi Alpha Delta.
Split into simpler sentences: During his life, Caldwell was a member of the Newcomen Society, Freemasons, Shriners, Elks, and Knights of Pythias. He was also a member of Kappa Sigma and Phi Alpha Delta.