ADDRESS 



BY 



CHARLES FREDERICK JURITZ, 

 M.A., D.Sc, F.I.C. 



PRESIDENT. 



Since last we met in annual session we have had to mourn 

 the loss of several of our members. Some of these have yielded 

 up their lives in the service of their country — yes, and in a 

 larger sphere of service, the service of humanity — on the field 

 of battle ; others, who had, in another sense, spent their lives 

 for South Africa, passed away in the quiet of their own homes. 

 Amongst the latter I pause for a moment on the names of three 

 who had held high offices during some of our past annual gather- 

 ings : two had been Presidents of the Association, and the third 

 was a sectional president. Paul Daniel Hahn, a man of con- 

 spicuous personality and strength of character, who thoroughly 

 appreciated the inestimable value of science as a factor in national 

 prosperity, achieved an immense work for this land in fostering 



