2 names come to mind: . 1. Peter Singer: Born July 6, 1946 (age 66) He is an Australian moral philosopher. He is currently the Ira W. DeCamp Professor of Bioethics at Princeton University, and a Laureate Professor at the Centre for Applied Philosophy and Public Ethics at the University of Melbourne. He specialises in applied ethics and approaches ethical issues from a secular, preference utilitarian perspective. He is a major proponent of biocentrism (ethics). . 2. Ian Hacking: Born February 18, 1936 (age 76) Vancouver, British Columbia Ian Hacking is a Canadian philosopher, specializing in the philosophy of science.