Contains professional records pertaining to Walter Kempner's (1903-1997) Rice Diet and related work for Duke University. Kempner began working at Duke's School of Medicine in the Department of Medicine in 1934 and was interested in the effect of diet on various diseases including hypertension and diabetes, which developed into the Rice Diet. The collection also contains business records from the Walter Kemper Foundation. Types of materials include medical records, newsletters, correspondence, clippings, budgets, logbooks, membership materials, and minutes. Major subjects include reducing diets, cell physiology, obesity, and Duke University Medical Center. Materials range in date from circa 1930 to 2016.