174 



BIOLOGY AND ITS MAKERS 



been extensively cultivated, and the development of patho- 

 logical study has greatly extended the knowledge of the 

 tissues and has had its influence upon the progress of normal 

 histology. Goodsir, in England, and Henle, in Germany, 

 entered the field of pathological histology, both doing work 



FIG. 51. RUDOLPH VIRCHOW, 1821-1903. 



of historical importance. They were soon followed by Yir- 

 chow, whose eminence as a man and a scientist has made 

 his name familiar to people in general. 



Virchow. Rudolph Virchow (1821-1903), for many 

 years a professor in the University of Berlin, was a notable 

 man in biological science and also as a member of the German 



