Complex sentence: Sklare earned his master's degree in Sociology from the University of Chicago and his Ph.D. in Sociology from Columbia University under the guidance of Seymour Martin Lipset.
Split into simpler sentences: Sklare earned his master's degree in Sociology from the University of Chicago and his Ph.D. in Sociology from Columbia University. Sklare worked Columbia University under the guidance of Seymour Martin Lipset.