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John Isidore Hoffmann (1867-1915)
1916 Obituary 
JOHN ISIDORE HOFFMANN, born at Chorlton-on-Medlock on the 4th February, 1867, died in London on the 15th September, 1915.
After a short service in the Argentine Navy, he was engaged on harbour, river and railway surveys in Paraguay, Argentina and Uruguay.
In 1891 he went to South Africa, where he was occupied on the survey of mines, land and other work. At the time of his death he was a director and engineer of mining undertakings in Serbia and the Sudan.
He was elected an Associate Member on the 6th March, 1894.