Complex sentence: Paul Goodman was an American intellectual and cultural critic who rose to prominence after publishing his 1960 "Growing Up Absurd", which asserted that the the structure of American society was not conducive to the needs of youth.
Split into simpler sentences: Paul Goodman was an American intellectual and cultural critic who rose to prominence after publishing "Growing Up Absurd" (1960). In the book, Goodman asserts that the structure of American society was not conducive to the needs of youth.