The world is a bit dimmer with the passing of Henry Dunay. Henry participated in IAC conferences on more than one occasion and I had the pleasure of listening to stories of an extraordinary life and exceptional work. From these conversations came the idea of “master classes,” and it could be said that each discussion with him was one. We extend heartfelt sympathy and a warm embrace to his loving and loved wife Frinette and to his entire family and hold tightly in our hands the beautiful work he created.