Originally from Woodville in Greene County, Georgia, Thomas Callahan Davison (1883-1953) was an Atlanta, Georgia, physician who specialized in gynecology and surgery. He graduated from the Atlanta College of Physicians and Surgeons in 1906 after he had served as a pharmacist's assistant in Richmond, Virginia. He served in the first World War as a surgeon for Army Evacuation Hospital Number Four in France and later for one in occupied Germany. His long career included serving as chief of surgery at Grady Memorial Hospital in Atlanta. He interned and later worked at Georgia Baptist Hospital where he helped form the Atlanta Cancer Clinic. At Emory University School of Medicine in Atlanta, he served as an assistant professor of clinical surgery. He and Dr. A.H. Letton were among the first vocal advocates of self-examination of the breast by women in an effort to detect cancer. He received numerous professional honors including honorary membership in the International College of Surgeons. His brother, Hal Davison, was also a prominent Atlanta doctor. Additional biographical information about Thomas Callahan Davison has not been determined.