I7 8 BIOLOGY AND ITS MAKERS 



tion for the work on the structure of tissues, we go back to 

 Bichat rather than to Leeuwenhoek, as Richardson has pro- 

 posed. Bichat was the first to give a scientific basis for 

 histology founded on extensive observations, since all earlier 

 observers gave only separated accounts of the structure of 

 particular tissues. 



