Edith Cowan was an Australian social reformer best remembered for serving as a member of parliament; she was the first Australian woman to do so. She is also remembered for working for the welfare and rights of children and women. In recognition of her contribution, Cowan has been depicted on Australia's fifty-dollar note since 1995.
Charles Perkins had initially been a footballer who played for teams such as Everton and coached Pan-Hellenic to fund his university studies. He later gained recognition as an Aboriginal activist after organizing the Freedom Ride to protest against racial discrimination and became the Secretary of the Department of Aboriginal Affairs.
Oodgeroo Noonuccal was an Aboriginal Australian poet, political activist, artist, and educator. She became the first Aboriginal Australian to publish a book of verse. She emerged as a prominent political activist in the 1960s and campaigned for aboriginal rights. She was appointed a Member of the Order of the British Empire and won many literary awards.