Complex sentence: Wellek had training in classical literature and was fluent in several European languages, both Romance and Slavic; his theoretical training included the phenomenology of Edmund Husserl, read through Roman Ingarden's work, and the psychologically influenced linguistics of Karl Bühler.
Split into simpler sentences: Wellek had training in classical literature and was fluent in several European languages, both Romance and Slavic. His theoretical training included the phenomenology of Edmund Husserl, read through Roman Ingarden's work, and the psychologically influenced linguistics of Karl Bühler.