CHAPTER IV 



HELMHOLTZ IN BERLIN FERMENTATION ANIMAL 

 HEAT 



DURING the greater part of the period from his 

 graduation in medicine in 1842 till his appoint- 

 ment to the Chair of Physiology in Konigsberg in 

 1849, Helmholtz resided in Berlin. He completed 

 his term of service as assistant physician in the La 

 Charite Hospital, and, in 1843, he returned to Pots- 

 dam, where he discharged the duties of assistant surgeon 

 to the regiment of Red Hussars. Private practice he 

 never had ; all his time, when off duty, being devoted 

 to science. Coming under the notice of Alexander von 

 Humboldt, that great man recognised his capacity, 

 and through his influence he was relieved from mili- 

 tary duties, and became assistant to the Anatomical 

 Museum, Lecturer on Anatomy to the Academy of 

 Arts, and Extraordinary Professor of Physiology to 

 the Albert University. In the two latter appoint- 

 ments it is interesting to know that he succeeded his 

 friend Ernst Briicke, who subsequently filled with 

 great distinction the Chair of Rhysiology in Vienna. 

 There is little doubt the appointment to the Academy 

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