The easiest way for you to find information about Australian scientists is to do a search on the Internet. I found some interesting websites that you would like to see. I also found some Nobel Prize Australian scientists from Wikipedia.

Australian Nobel Laureates

2005 Nobel Prize in Physiology or Medicine
Barry James Marshall FAA and J Robin Warren 'for their discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease'.

1996 Nobel Prize in Physiology or Medicine
Peter Charles Doherty FAA shared with Rolf Martin Zinkernagel 'for their discoveries concerning the specificity of the cell mediated immune defense'.

1975 Nobel Prize in Chemistry
John Warcup Cornforth shared with Vladimir Prelog 'for their work on the stereochemistry of enzyme-catalyzed reactions'.

1970 Nobel Prize in Physiology or Medicine
Bernard Katz shared with Ulf von Euler and Julius Axelrod 'for their discoveries concerning the humoral transmittors in the nerve terminals and the mechanism for their storage, release and inactivation

1964 Nobel Prize for Physics
Aleksandr Mikhailovich Prokhorov shared with Charles Hard Townes and Nicolay Gennadiyevich Basov 'for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle'.

1963 Nobel Prize in Physiology or Medicine
John Carew Eccles FAA shared with Alan Lloyd Hodgkin and Andrew Fielding Huxley 'for their discoveries concerning the ionic mechanisms involved in excitation and inhibition in the peripheral and central portions of the nerve cell membrane'.

1960 Nobel Prize in Physiology or Medicine
Frank Macfarlane Burnet FAA shared with Peter Brian Medawar 'for discovery of acquired immunological tolerance'.

1945 Nobel Prize in Physiology or Medicine
Howard Walter Florey shared with Ernst Boris Chain and Alexander Fleming 'for the discovery of penicillin and its curative effect in various infectious diseases'.

1915 Nobel Prize for Physics
William Lawrence Bragg and William Henry Bragg 'for their services in the analysis of crystal structure by means of X-rays'.

Another interesting site to learn about Australian scientists:

Commonwealth science organization