 Another of Borchgrevink's men who later served Scott's expedition, as commander of the relief ship , was William Colbeck, who held a lieutenant's commission in the Royal Naval Reserve.In preparation for the Southern Cross Expedition, Colbeck had taken a course in magnetism at Kew Observatory.Borchgrevink's assistant zoologist was Hugh Blackwell Evans, a vicar's son from Bristol, who had spent three years on a cattle ranch in Canada and had also been on a sealing voyage to the Kerguelen Islands.