14 Last Works — Character. 



strength required for the performance of continued 

 work. Until the very last, lie followed the progress of 

 investigations in every branch, but especially in molecu- 

 lar science, where he had won his laurels. " The science 

 of nature," he wrote me, as late as September 29, 1870, 

 ''always conduces to a lucid life, and to civilizing pro- 

 gress." At the close of his letter to E. Doll, u Der 8 

 November, 1845," he says (October, 1870): "Peaceful 

 progress is, undoubtedly, the highest and most worthy 

 aim of human endeavor." Peaceful progress in the ex- 

 ploration of natural phenomena ! While the shadow of 

 death was already upon him, he communicated a notice 

 on the artificial formation of crystals of pyrite, to the 

 Journal "Die Pealschule," a formation which his 

 friend W o e h 1 e r had j ust succeeded to effect. He spoke 

 to the editor, Dr. Doll, his son-in-law, about this and 

 other scientific subjects, while confined to his chair on 

 account of a cold, Saturday evening, March 18, 1871. 

 Eight hours later, Doell was summoned to the bedside 

 of Haidinger, whose strength was rapidly sinking, until 

 at three o r clock in the afternoon of the next day (Sunday, 

 March 19, 1871), he died. 



Haidinger was noble and humane in his intercourse with 

 all men. Unfaltering, ever active* in the service of science, 

 where his untiring energy and his great mind achieved 

 so splendid results. Full of peace and honor was the 

 evening of his life, every pulsation of which had been 

 consecrated to the search for truth and the well-being of 

 his fellow men. Serene was his dying. 



His memory is sacred to every person who enjoyed his 

 acquaintance. His memory is sacred to his country, be- 

 cause he contributed largely to the organization of sci- 



*"Nie ermiidet stille stehn" was his motto, inscribed on the Haidinger medal, of 

 1865. 



