Cullabaa, native of Lake George, Five Islands tribe

On one level The Companion talks about the most famous and frontline Australians, but on another it tells us about ourselves: who we read, who we watch, who we listen to, who we cheer for, who we aspire to be, and who we'll never forget. The Companion is available to buy online and in the Portrait Gallery Store.

Drawn from some of the many donations made to the Gallery's collection, the exhibition Portraits for Posterity pays homage both to the remarkable (and varied) group of Australians who are portrayed in the portraits and the generosity of the many donors who have presented them to the Gallery.

For Tom Roberts - Australia's best nineteenth-century portrait painter - neither a proto-national portrait gallery nor more popular collections of portrait heads, were sufficient public celebrations for the notables of Australian history