Gregory Macalister Mathews CBE FRSE FZS FLS was an Australian-born amateur ornithologist who spent most of his later life in England.
Meeting of Royal Australasian Ornithologists Union (RAOU) with members Dr J. Leach, L. Chandler, C. McLennan, C. Barrett, A.J. Campbell, Dudley Le Souef, T. Tregallas, Z. Gray, Gregory Mathews
Archibald James Campbell was an Australian civil servant in the Victorian government Customs Service. However, his international reputation rests on his expertise as an amateur ornithologist, naturalist, and photographer.
Archibald James Campbell
Landing at Melbourne 1840 - a watercolour by WFE Liardet, State Library of Victoria, Australia
Diggings in the Mount Alexander district of Victoria in 1852, by ST Gill, National Library of Australia
Campbell, c. 1901, by T. Ward