Donors on video
Click on a name to see the video.
Tony Burgess
Tony Burgess talks about his decision to donate a kidney to a stranger as a Christmas gift 2012.
Helen Marston
Helen's husband was initially horrified when he heard about her plans to donate a kidney.
Di Franks
After donating a kidney, Di set up a website: www.livingkidneydonation.co.uk.
John Fletcher
"The whole thing has been life-enriching beyond anything that I could ever describe. Of all the things I have done in my life, this one has been the happiest. I cannot recommend it strongly enough."
Sanjiv Gohil
Sanjiv donated a kidney at the Royal Free Hospital in London.
Kenneth Dooley
"It's just getting the word out, and getting more people to know about it..."
Viv Calderbank
Viv is a graphic designer who lives in Cornwall. She donated a kidney in 2011.
Richard Pitman
Professional jockey, racing commentator and altruistic kidney donor.
Simon Swailes
"No regrets at all. No second thoughts. This is something that ought to be done by more people."
Joanna Kozubska
Joanna donated a kidney in 2012. "If I had three kidneys, I'd do it again," she says.
Mary Dixon
Mary Dixon first started thinking about donating a kidney 21 years ago, when she was training to be a nurse.
Julie Saunders
Julie received a card from her recipient, which she looks at nearly every day.
Liza Schuster
"I can't say I enjoyed the process, but I'm really glad I did it."
Penny Cox
Penny initially thought about donating eggs, but eventually decided to donate a kidney.
Clare Bolitho
Clare wanted to help her recipient to "restart" her life.
Matilda Hall
"It was enormous fun."
Natalia Aggiano
Natalia carries a picture of the kidney that she donated on her phone, and it's also on her Facebook page.
Barbara Ryder
Barbara Ryder donated a kidney in 2007. She was the UK's second altruistic donor.
Nicholas Crace
Nicholas, who is 83, donated a kidney in 2012. He is the UK's oldest altruistic donor.
David Hemmings
David is a retired civil servant and magistrate who lives in Devon.
Kay Mason
Kay was the UK's first altruistic kidney donor.
Maggie Harris
Maggie donated a kidney in 2007.
Philippa James
Philippa and her daughter have both donated kidneys altruistically.
Polly Woodhams
Polly is a retired nurse who worked on a kidney unit.