The prize was established in 1999 by the generosity of Mr Ronald Walker and Mrs Barbara Walker.
Past recipients
Year | Recipient | Region |
| 2022 | Dr Thomas Chalk | QLD |
| 2021 | Not awarded | |
| 2020 | Dr Hannah Bennett | QLD |
| 2019 | Dr Dana Weber | WA |
| 2018 | Not awarded | |
| 2017 | Dr Alix Dumitrescu | NSW |
| 2016 | Not Awarded | |
| 2015 | Dr Charlotte Hill | NSW/NZ |
| 2014 | Dr Martine O'Neill | NSW |
| 2013 | Not awarded | |
| 2012 | Dr Meena Mittal | Vic |
| 2011 | Dr Roderick Grant | Qld |
| 2010 | Dr Rebecca Martin | NSW |
| 2009 | Not awarded | |
| 2008 | Dr Charles Kim | Vic |
| 2007 | Dr Duncan McKay | WA |
| 2006 | Dr Mark Schutze | WA |
| 2005 | Dr Mark Rockett | NZ |
| 2004 | Dr Eric Visser | WA |
| 2003 | Not awarded | |
| 2002 | Dr Jennifer Morgan | WA |
| 2001 | Dr Michael Negraeff | NSW |
| 2000 | Dr Paul Wrigley | NSW |
| 1999 | Dr Leah Power | WA |