John Lynch was a promising athlete, but at age eleven was struck by a crippling illness. He was diagnosed with juvenile rheumatoid arthritis (JRA), a disease that affects 300,000 children, making them unable to live full-functioning, pain-free lives. Children with JRA are called Katfish, a name derived from Kids and Teens' Families Investing Support and Hope.

John continued to seek new treatments, but not until age fifty-three was he given the "miracle drug" that enabled him to sustain a thirty-year legal practice. During that time he dedicated his life to helping others who...