Transcript for Kidney Donation Leads to Unexpected Kindness
We are grateful to the New York Times for this story which took us inside a remarkable event -- kind of relay race of generosity. 90000 people need kidney transplants tonight 4500 will die each year. But the man who founded the national kidney registry figured out. That all of us would find it in our hearts to hope strangers if -- in -- save someone we knew and lopped. Well tonight the biggest kidney donor marathon. In history. It. The incredible algebra of human kindness. One person deciding to save a life of a stranger. Who Stanley and -- saves the life of another stranger and on and aren't. All you need is the stranger who starts it a -- just as important as a family or friend. Enter. We've risen anti an electrician. Who said work was slow right now he had -- in his hands enough time to give a gift. It's like there's some. Virtue to two being kind and helpful to your family and friends but. But that's easy you know I mean if the world could love the stranger and envious kind of damage to their family -- -- that you know world problems would be solved. Getting nothing in return he decided to give his kidney to someone whose family couldn't provide a match as a result -- kidney travelled all across the country to New Jersey to the family of a man who in turn. Donated one of -- kidneys. To -- Katzman from Michigan. And as we said it went on and on an ex girlfriend getting a kidney because her ex boyfriend gave one to someone else. The old prom dates from queens New York -- -- donating a kidney -- no via. Could get a kidney from Samantha -- fill California. The mastermind behind it all -- an ex marine and an MBA and his own company and a ten year old daughter. Who once had kidney failure fifteen people tried to donate. Until she got the match. When I eat you know -- these systems -- -- -- they're needed to be a better way and that's that's what drove us to create the national can your industry must from the terrifying time. It was very stressful. So. You're giving back preparing forward if that's human -- say that. And so it was before dawn matching profiles logistics blood types for months seventeen hospitals eleven states. Until this largest chain of generosity ever ended with a -- -- transplant. 47 year old Donald Terry. I -- myself was like dying and dialysis. When that doctor called me and told me that. He had a kidney and that he was gonna donate I I I can't tell you how old. Tom I actually -- down in tears. And Terry had no idea that the two people watching over him with that ex marine. And the stranger who on impulse walked into the hospital. If you believe in god you could say well maybe god gave us an extra kidney so that we can give away you know if I had another kidney I would I would donate -- here. Somebody people. Connected by what it really means to be human. Yeah. Many of them wanting to send a message like -- from Chicago recipient number twelve. -- and -- -- -- Sending their gratitude in the hope that tomorrow morning before dawn. All across America. It can all Begin again. And be sure to check out the national kidney registry and a website abcnews.com slash worldnews.
This transcript has been automatically generated and may not be 100% accurate.