The Chair in the History of Medicine at Queen's University has been funded since 1975 by resources provided by Associated Medical Services Incorporated/Hannah Institute (AMS). It is named in honour of the latter's founder Jason A. Hannah, M.D. (Queen's, 1928). In 2000, it was fully endowed through a generous donation from AMS.

The Chair is located in the Faculty of Health Sciences, but it is linked through the professor's cross-appointments and teaching to the Faculties of Arts and Science, Graduate Studies, Education, and Law.

Programs offered by the chair include a historical course of study for medical students, elective courses, a faculty seminar, undergraduate arts courses, graduate courses, graduate counselling, references or bibliographic assistance to individuals, guest lectures by visiting scholars, displays of books and artefacts, and the acquisition of historical works suited to the research interests of members of the Queen's community. The Chair supports local initiatives such as the Museum of Health Care and the Kingston Historical Society.