THE CELL THEORY 



245 



Sch wan 11 found himself at the University of Berlin, where 

 Midler had been called, and he became an assistant in the 

 master's laboratory. There he gained the powerful stimulus 

 of constant association with a great personality. 



Fig. 74. — Theodor Schwann, 1810-1882. 



In 1839, J ust after the publication of his work on the cell- 

 theory, Schwann was called to a professorship in the Univer- 

 sity of Louvain. and after remaining there nine years, was 

 transferred to the University of Liege. He was highly re- 



