John E. McCarthy, MD, was born the third of four boys and grew up with a deep love for family, sports, and learning. A varsity swimmer in his youth, he carried forward the discipline and resilience he learned in the pool into his medical career and personal life. Over the years, Dr. McCarthy has drawn from both his professional experience as a physician and his personal journey of loss, faith, and renewal to shape his writing. His work reflects a blend of medical insight, spiritual reflection, and heartfelt storytelling, inviting readers to find strength, hope, and meaning in their own lives.