No one would have blamed Donald Seldin for running away. When he arrived at Southwestern Medical College in 1951, it was a collection of hastily repurposed military shacks creaking in the wind. On practically day one he became chair of the department of medicine—when the only other full-time professors departed. By the time he stepped down thirty-six years later, Seldin had transformed a sleepy medical college into the University of Texas Southwestern Medical Center—a powerhouse of research and patient care and an anchor of the city of Dallas. Raymond Greenberg, a physician-scholar, tells Seldin's story of perseverance and intellectual triumph. Drawing on interviews with Seldin's trainees and colleagues—and on Seldin's own words—Greenberg chronicles the life of the Brooklyn boy who became one of Texas's foremost citizens and taught decades of men and women to heal. A pioneering nephrologist, Seldin devoted his career to developing the specialty; educating students, residents, and fellows; caring for patients; and nurturing basic research. Seldin was a wildcatter in the best sense. He declined the comfortable prestige of Harvard and Yale and instead embraced a worthy challenge with an unflagging sense of mission. Graceful and richly detailed, The Maestro of Medicine captures an inspiring life of achievement and service.