This biographical index contains information from the prestigious two-volume work “Directory of Deceased American Physicians” by Arthur W. Hafner. It is derived from an American Medical Association card file and includes the biographical and professional details of approximately 149,000 medical professionals. The diverse information within offers valuable insights to support your research. For example, discovering where your ancestors practiced medicine can provide insights into their residence. Birth and death dates and locations may also be essential clues for locating vital records.