Johann Ludwig (Louis) Gerard Krefft (17 February 1830 – 19 February 1881), one of
Australia's first and greatest
zoologists and
palaeontologists. In addition to many scientific papers, his books include
The Snakes of Australia,
A Catalogue of the Minerals and Rocks in the Australian Museum and
A Short Guide to the Australian Fossil Remains in the Australian Museum. He published the scientific description of the
Queensland Lungfish, considered a "living
fossil".