ALLEN W. ROOT On November 11 and 12, 1988, a "Festschrift" was held to honor "our Chief;' Lewis A. Barness. Who is our Chief, and why was such an occasion held? I will not attempt to describe him in terms of his scientific and scholarly accomplish ments, which have spanned more than four decades. Rather, I will describe the characteristics of an individual whose concern for humanity has made him the quintessential role model for countless students, residents, and graduate pediatri cians around the world. The Chief's concern is manifested by his love for chil dren and his tireless efforts on...