Emeritus Professor Garth Paltridge is an atmospheric physicist and was a Chief Research Scientist with the CSIRO Division of Atmospheric Research before taking up positions in Tasmania as Director of the Institute of Antarctic and Southern Ocean Studies and CEO of the Antarctic Cooperative Research Centre.He retired in 2002 and continues to live in Hobart.He is an Honorary Research Fellow at the University of Tasmania and a Visiting Fellow at the Australian National University.His research ranged from the optimum design of plants to the economics of climate forecasting. He is best known internationally for work on atmospheric radiation and the theoretical basis of climate.He is a fellow of the Australian Academy of Science. He was in industry for a while as Director of the Environmental Executive of the Institute of Petroleum. He spent various separate years overseas in postings concerned with research or research administration - in the UK, Geneva, New Mexico, Colorado and Washington D.C.In Geneva he was involved in the early development of the World Climate Program. In Washington he was with the US National Climate Program Office at the time of the establishment of the IPCC.