While author and poet Thoreau (1817-1862) may be best known for Walden, his famous ode to nature, he also penned Civil Disobedience, formally entitled Resistance to Civil Government. He proved pretty resistant to razors, as well. Don't let the man make you shave that neck!Number 7: Nero
According to legend, this Roman emperor fiddled while Rome burned -- but from the looks of the bust seen here, his neckbeard probably escaped unscathed. You know it must have been magnificent if it even stands out in marble.Continue to keep counting down our picks for the ten best neckbeards in history.