Complex sentence: His job played havoc with his social life ("He has an air about him," as Dogpatchers tactfully put it), and the name of his famous facility entered the modern lexicon via the Lockheed Skunk Works project.
Split into simpler sentences: His job played havoc with his social life ("He has an air about him," as Dogpatchers tactfully put it). The name of his famous facility entered the modern lexicon via the Lockheed Skunk Works project.