Harrison, often referred to as “The Man With the Golden Arm,” left this world peacefully in his sleep, shortly after achieving the astonishing milestone of 1,173 blood donations throughout his lifetime. His contributions are estimated to have saved around 2.4 million babies across Australia, a testament to his dedication and altruism.

Despite his aversion to needles, Harrison’s resolve to donate was unwavering. “He just kept going, and going, and going,” reflected his grandson, Jarrod Mellowship, highlighting his grandfather's commitment to helping others without obligation, but as a personal mission.

The life-saving medication developed from Harrison's plasma was particularly crucial for pregnant mothers. It contained a rare antibody called anti-D, which protects against the serious complications that can arise when a mother and her fetus possess differing blood types—typically when a mother is Rhesus negative, and the fetus is Rhesus positive. This condition can lead to hemolytic disease of the newborn, which poses grave risks to the infant.

In addition to his significant medical impact, Harrison’s dedication to the cause has inspired a culture of blood donation in Australia, framing it not just as an act of charity but as a societal responsibility. His legacy reminds us of the profound difference a single individual can make in the world through selfless acts of kindness.