Johann Louis Gerard (Gerard) Krefft
German-born zoologist. Worked in the Australian goldfields, 1852–7. Took part in an expedition to the Lower Murray and Darling Rivers in 1857; made a large natural history collection and was employed by the National Museum, Melbourne, to catalogue it. Assistant curator, Australian Museum, Sydney, 1864–74. Specialised in snakes; discovered the Queensland lungfish, Ceratodus forsteri (now Neoceratodus forsteri).
Aust. dict. biog.