Duff probably owed his life to Groves 's attentions , as indeed did Arthur Cotton on an earlier occasion .
In 1834 he accompanied the Scottish missionary educator Alexander Duff from Calcutta to Scotland , nursing him slowly back to health .
Alexander Duff probably owed his life to Groves 's attentions , as indeed did Arthur Cotton on an earlier occasion .
In 1834 he accompanied the Scottish missionary educator Alexander Duff from Calcutta to Scotland , nursing him slowly back to health .