Geoff Plunkett is a researcher and historian at the Department of Defence, Australia. He has been researching Australia's chemical-warfare history for over twenty years and is the author of Chemical Warfare in Australia and Chemical Warfare Agent Sea Dumping off Australia, both published by the Department of Defence. His research has led to the unearthing of hundreds of lethal phosgene bombs at the old chemical-warfare headquarters at Marrangaroo. Other books include Death by Mustard Gas and Let the Bums Burn .
