From Australia whose unusual plasma composition has been used to make a treatment for Rhesus disease. He has made over 1000 donations throughout his lifetime, and these donations are estimated to have saved over two million unborn babies from the condition.
https://www.reddit.com/r/HumansBeingBros/comments/7s5nxz/magic_blood/
ref - https://en.wikipedia.org/wiki/James_Harrison_(blood_donor)
https://www.reddit.com/r/HumansBeingBros/comments/7s5nxz/magic_blood/
ref - https://en.wikipedia.org/wiki/James_Harrison_(blood_donor)