A Gift He Never Knew He Carried

In 1951, fourteen-year-old James Harrison lay in a hospital bed in New South Wales, Australia, recovering from major chest surgery that required thirteen liters of transfused blood. When he learned that strangers' donations had saved his life, he made a quiet vow: at eighteen, he would start giving back. He kept that promise. But when Harrison began donating, doctors discovered something extraordinary in his blood — a rare antibody that could be used to create Anti-D injections, the treatment that prevents Rhesus disease in newborns.…