1958: In the basement laboratory of an Ohio hospital, a cardiologist accidentally injects a large amount of dye into the small vessels of a patient's heart during a routine imaging test.

"When Mason Sones developed and discovered this technique, he sort of grabbed it like a pit bull -- he understood the significance of it when very few others did." "In those days the Clinic was ...

The award recognizes individual efforts in advancing medical innovation and is named for F. Mason Sones, MD, a Cleveland Clinic cardiologist who researched imaging of arterial blockages.

Dr. René Favaloro (left) pictured with colleague Dr. Mason Sones. | The Cleveland Clinic Center for Medical Art & Photography, Wikimedia Commons // CC BY 4.0 Dr. René Favaloro touched many heart ...