aetiologist, etiologist - a specialist in the etiology of diseases

medical specialist, specialist - practices one branch of medicine

Florey, Howard Florey, Sir Howard Walter Florey - British pathologist who isolated and purified penicillin, which had been discovered in 1928 by Sir Alexander Fleming (1898-1968)

Karl Landsteiner, Landsteiner - United States pathologist (born in Austria) who discovered human blood groups (1868-1943)

Paget, Sir James Paget - English pathologist who discovered the cause of trichinosis (1814-1899)

Francis Peyton Rous, Peyton Rous, Rous - United States pathologist who discovered viruses that cause tumors (1879-1970)

Rudolf Karl Virchow, Rudolf Virchow, Virchow - German pathologist who recognized that all cells come from cells by binary fission and who emphasized cellular abnormalities in disease (1821-1902)