Peter William Gage (1937-2005) was recognised nationally and internationally as one of Australia's leaders in membrane physiology, biophysics and neuroscience. His research on neurotransmission, muscle and the structure-function of ion channels was extraordinarily productive, with over 7,000 citations. A gifted speaker with a great enthusiasm for research and for the introduction of cutting-edge technology, Peter Gage influenced and encouraged a great many research students, postdoctoral fellows and senior colleagues in their scientific careers.