CNN Heroes Tribute: Dr. Jim Withers

Zachary Quinto introduces 2015 Top 10 CNN Hero Dr. Jim Withers at "CNN Heroes: An All-Star Tribute."

[@victorvictoria6959]

Dr. Withers is truly a Hero of what medicine is all about. He truly is what the Hippocratic Oath means and not what medicine has now become. He is truly touched by the hand of God. Incredible.

[@mvonpaul]

thank you Dr. Withers.

[@Asskicker14]

He is awesome, I just adore him.

[@alannamoskowitz5773]

Wow what an astounding guy!

[@rexburton3722]

Heart And Soul of Pittsburgh Mercy

[@SifatSultanTheConsistency]

one more reason for me to be good

[@karlheven8328]

legendar

[@karlheven8328]

legendary