i86 



POPULAR SCIENCE MONTHLY. 



SCIENTIFIC LITEEATUEE. 



HERMANN VON HELMHOLTZ. j terests of von Helmholtz were so far- 



Hermann von Helmholtz, one of reaching, his activities so multifarious 



the great names in the history of sci- ' and his intellect so profound that the 



ence, is the subject of a sympathetic ; preparation of an adequate memoir 



IlKllMANN VON UEL.MHOLTZ. 



From a drawing by Lenbach (1894). 



and dignified biography prepared by \ was a task of unusual diniculty. It 

 Dr. Leo Koenigsberger and published j is fortunate that it has been so ade- 

 in three volumes by Vieweg. The in- | quately performed. Hermann Ludwig 



