From Henry Hillman to Dr. Thomas Starzl, we’ve said goodbye to many influential Pittsburghers this year. Remember those who have passed away and their impact on the region — and the world — in this compilation of our Last Chapter department.

Klaus Bron, 86 Dr. Bron was a pioneering visionary in interventional radiology and angiography. After studying the nascent field of minimally invasive angiography in Sweden, he came to Pittsburgh in 1964 and .became chief of vascular and interventional radiology as well as chief of radiology at Presbyterian University Hospital. His work created the…