According to records in the SPRI archive (Ref: 1228/17/39), the ashes of renowned scientist and explorer W S Bruce were scattered at sea on Easter Monday 2 April 1923. They were taken out from Leith Harbour on the catcher "Symra", in strong northerly weather, by the magistrate from Grytviken and the manager of the Salvesen's station at Leith. They were scattered 'a considerable distance' to the Northeast of the station and the magistrate made a speech.
More information about W S Bruce at Wikipedia