Australian moral philosopher, Peter Singer, is currently the Ira W. DeCamp Professor of Bioethics at Princeton University. He specializes in applied ethics. He is best known for his book Animal Liberation, which is considered a seminal work in the animal liberation movement. The Council of Australian Humanist Societies recognized him as the Australian Humanist of the Year in 2004.
British linguist Michael Halliday is best remembered for his neo-Firthian theory of language. Born to a dialectologist father and an English teacher mother, Halliday naturally developed a love for languages. An expert in Chinese language, he has conducted research on child language development and the theory of grammar.