Avraham Shapira 32, from Yitzhar in the Shomron, gave his kidney to a 50-year-old man whom he had never met. When persuaded to publicize his act, his brother-in-law donated one of his own kidneys to a 60-year-old woman. Four more men from the Shomron have since followed suit.

http://www.timesofisrael.com/kidney-donation-sets-off-chain-reaction-of-giving/