His experiences under the direction of these two distinguished parasitologists, whose outstanding discoveries in protozoology and helminthology are well-known, must have been very valuable.    From Wordnik.com.  [Thomas H. Weller - Biography] Reference

The founder of protozoology was him - self firmly opposed to the notion that his “animalcules” could have arisen from the putrefying matter that made up their usual environment.    From Wordnik.com.  [SPONTANEOUS GENERATION] Reference

The Staff has thus chosen to single him out not only as the founder of medical protozoology, a branch of medicine that has reached a striking level of development in recent years; but also as the man responsible for experiments and discoveries - followed up until recently - which ensure his continued pre-eminence in this field.    From Wordnik.com.  [Nobel Prize in Physiology or Medicine 1907 - Presentation Speech] Reference