HISTORIC DEVELOPMENT OF IMMUNOLOGY 5 



physicians. The greatest scientific name after 

 Hippocrates is that of Aristotle (384-322 B.C.) 

 who gave to medicine the beginnings of zoology, 

 comparative anatomy and embryology. A 



Colossal bust of Aesculapius 

 in the British Museum. 



worthy successor of Aristotle was his pupil 

 Theophrastus who was called the ' ; protobotan- 

 ist" because he did for the vegetable kingdom 

 what Hippocrates had previously done for clin- 



