At the Sydney Medical School Online Museum and Archive there are valuable resources for genealogists.
The 24,000 students who have graduated from the Faculty of Medicine can be found on a database that can be searched by name,year and degree. On the Biographies page one can see 155 alumni biographies.
The Senior Yearbooks from 1922-1980 are also digitised in .pdf format on the site. These substantial publications contain biographies and photographs of lecturers, photographs of the university and its teaching hospitals and "personal details and characteristics" of the fifth years. Searching these is painfully slow but it is worth perservering.