4 o6 BIOLOGY AND ITS MAKERS 



was graduated at Gottingen in 1856, and tor a short time 

 thereafter engaged in the practice of medicine. This line of 

 activity did not, however, satisfy his nature, and he turned 

 to the pursuit of microscopic investigations in embryology 



Fig. 114.— August Weismann, 1834-1914. 



and morphology, being encouraged in this work by Leuckart, 

 whose name we have already met in this history. In 1863 

 he settled in Freiburg as privat-docent, and, in 1867, was 

 promoted to a professorship and taught in the department of 



