LATER YEARS 101 



passed since he matriculated as a student of phar- 

 macy and chemistry in the philosophical faculty of the 

 University of Georgia Augusta, and forty-eight since 

 he took his degree as Doctor of Philosophy. It is the 

 German custom to renew that degree for those that 

 survive fifty years. To him those weeks at Gottingen 

 were an occasion of quiet rejoicing, and he often re- 

 ferred to 'Gottingen revisited' as his Jubilceum. 



From Gottingen he wrote : 



'In looking over the collections of inorganic and 

 organic chemical preparations in the chemical labora- 

 tory my attention was repeatedly called to samples 

 familiar to me from the time when acting as assistant 

 to Wohler. It seemed to give special satisfaction to 

 the janitor, who served as a youthful janitor in my 

 tune, to point out to me specimens marked in my 

 handwriting.' 



He returned to America the following June, and was 

 soon again occupied with his work, aware that the 

 students, whom he had gathered about him and 

 trained, were capable of taking up the lines whenever 

 he should lay them down. He continued to supervise 

 the chemical work of the Experiment Station until 

 July 1907, when he was made Consulting Chemical 

 Expert and retired on a pension granted by the Trus- 

 tees of the Carnegie Foundation. In 1908 he became 

 Professor Emeritus. 



On his eightieth birthday, which marked the com- 

 pletion of fifty years residence in the United States and 

 forty years of service at the College, his former stu- 

 dents far and near united to honour him. At the 



