2017 Professor Tony O'Donnell, Pro Vice Chancellor, Executive Dean of Science, University of Western Australia presented the Leeper Lecture 'We do things differently in the West.
2014 Prof Heike Knicker presented the Leeper Lecture 'Soils in fire-prone ecosystems - Where does all the charcoal go?'
2013 Professor Paul Bertsch, Chief of CSIRO Land and Water. Big challenges surrounding the tiny: Fate, transport, bioavailability and toxicity of engineered nanomaterials in soil and terrestrial ecosystems. Synopsis (link to Melbourne University website). Presentation and podcast (link to Melbourne University website).
2012 Professor John Crawford, Univesity of Sydney. Soil and sustainable food. Synopsis Presentation & Podcast (link to Melbourne University website)
2011 Dr Neil McKenzie, Chief of CSIRO Land and Water. Soil knowledge and water resource planning and management.
2010 Iain Young, Professor, University of New England. The biophysics of life on Earth. Synopsis Presentation & Podcast (link to Melbourne Uni website)
2009 Robert Fitzpatrick, Chief Research Scientist, CSIRO, South Australia. Soil science and the role of pedotechnology in solving forensic, water quality, polluted soils, mineral exploration and engineering problems. Synopsis Podcast (external link to Melbourne University website) Slides (external link to Melbourne University website)
2008 Pichu Rengasamy, Senior Research Fellow, The University of Adelaide, Waite. Innovative strategies to tackle ultiple soil constraints to agricultural productivity. Synopsis Presentation slides Podcast (external link to Melbourne University website)
2007 Lynette Abbott, Vice-Dean/Winthrop Professor, The University of Western Australia, Australia. Organic agriculture: a model for understanding soil fertility. Synopsis
2006 Tom Denmead, Fellow, CSIRO, Black Mountain, ACT. Agriculture and greenhouse. Presentation slides
2004 Johan Bouma, Emeritus Professor, Wageningen University and Research Center, The Netherlands. Learning from the past when facing the future of soil science. Synopsis
2001 Bob Gilkes, Professor, Soil Science and Plant Nutrition, The University of Western Australia, Crawley, Western Australia. The problems of old age: managing soils on our ancient continent.
2000 Alex McBratney, Professor, Department of Soil Science, The University of Sydney, Sydney, New South Wales. The classification of soil. Synopsis
1999 Peter Attiwill, Associate Professor and Reader, School of Botany, The University of Melbourne, Parkville, Victoria. Forest soils: cycles, sustainability and sequestration. Synopsis
1998 Jim Barrow, Post-Retirement Fellow, CSIRO Forests and Forest Products, Wembley, Western Australia. The four laws of soil chemistry.
1997 Sally Smith, Professor, Department of Soil Science, Waite Campus, The University of Adelaide, Glen Osmond, South Australia.Mycorrhizas at the soil-plant interface.
1996 Calvin Rose, Emeritus Professor, Faculty of Environmental Sciences, Griffith University, Nathan, Queensland. Soil erosion and conservation: concepts and results from ACIAR project experience.
1995 John Passioura, Chief Research Scientist, CSIRO Division of Plant Industry, Canberra, Australian Capital Territory. Roots, soil, and water.
1994 Nick Uren, Associate Professor and Reader in Soil Science, School of Agriculture, La Trobe University, Bundoora, Victoria. Soil science - a sense of history.
1993 Albert Rovira, Director, Cooperative Research Centre for Soil and Land Management, Glen Osmond, South Australia. Sustainable farming - fact or fiction?
1992 Malcolm Sumner, Regent's Professor, The University of Georgia, USA. Global soil d