Complex sentence: His eldest brother Karl Taylor Compton also attended Wooster University, became a physicist, and was later president of MIT; his second brother Wilson M. Compton became a diplomat and president of the State College of Washington, later Washington State University.
Split into simpler sentences: His eldest brother Karl Taylor Compton also attended Wooster University, became a physicist, and was later president of MIT. His second brother Wilson Martindale Compton also attended Wooster University and became a diplomat and president of the State College of Washington, later Washington State University.